Search a number
-
+
2155253 is a prime number
BaseRepresentation
bin1000001110001011110101
311001111110012
420032023311
51022432003
6114110005
724214352
oct10161365
94044405
102155253
111242301
1287b305
135a5cc9
14401629
152c88d8
hex20e2f5

2155253 has 2 divisors, whose sum is σ = 2155254. Its totient is φ = 2155252.

The previous prime is 2155207. The next prime is 2155259. The reversal of 2155253 is 3525512.

2155253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 14884 = 1463^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155253 - 212 = 2151157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077626 + 1077627.

It is an arithmetic number, because the mean of its divisors is an integer number (1077627).

22155253 is an apocalyptic number.

It is an amenable number.

2155253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155253 is an equidigital number, since it uses as much as digits as its factorization.

2155253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 2155253 is about 1468.0779952033. The cubic root of 2155253 is about 129.1713165629.

The spelling of 2155253 in words is "two million, one hundred fifty-five thousand, two hundred fifty-three".