Search a number
-
+
8253031 is a prime number
BaseRepresentation
bin11111011110111001100111
3120112022000211
4133132321213
54103044111
6452520251
7130102213
oct37367147
916468024
108253031
114727696
122920087
13192c667
14114b943
15ad0521
hex7dee67

8253031 has 2 divisors, whose sum is σ = 8253032. Its totient is φ = 8253030.

The previous prime is 8253029. The next prime is 8253053. The reversal of 8253031 is 1303528.

8253031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (8253053) can be obtained adding 8253031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8253031 - 21 = 8253029 is a prime.

It is a super-2 number, since 2×82530312 = 136225041373922, which contains 22 as substring.

Together with 8253029, it forms a pair of twin primes.

8253031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8252993 and 8253011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8253061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126515 + 4126516.

It is an arithmetic number, because the mean of its divisors is an integer number (4126516).

Almost surely, 28253031 is an apocalyptic number.

8253031 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253031 is an equidigital number, since it uses as much as digits as its factorization.

8253031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 8253031 is about 2872.8089041912. The cubic root of 8253031 is about 202.0867434528.

Adding to 8253031 its reverse (1303528), we get a palindrome (9556559).

The spelling of 8253031 in words is "eight million, two hundred fifty-three thousand, thirty-one".