Search a number
-
+
2531741 is a prime number
BaseRepresentation
bin1001101010000110011101
311202121220012
421222012131
51122003431
6130133005
730343112
oct11520635
94677805
102531741
11147a153
12a21165
136a8494
1449c909
1535022b
hex26a19d

2531741 has 2 divisors, whose sum is σ = 2531742. Its totient is φ = 2531740.

The previous prime is 2531717. The next prime is 2531747. The reversal of 2531741 is 1471352.

2531741 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., 2325625 + 206116 = 1525^2 + 454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2531741 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 (2531747) 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, 1265870 + 1265871.

It is an arithmetic number, because the mean of its divisors is an integer number (1265871).

22531741 is an apocalyptic number.

It is an amenable number.

2531741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531741 is an equidigital number, since it uses as much as digits as its factorization.

2531741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 2531741 is about 1591.1445566007. The cubic root of 2531741 is about 136.2928558059.

The spelling of 2531741 in words is "two million, five hundred thirty-one thousand, seven hundred forty-one".