25753131 has 24 divisors (see below), whose sum is σ = 39000000. Its totient is φ = 16353792.

The previous prime is 25753127. The next prime is 25753139. The reversal of 25753131 is 13135752.

It is not a de Polignac number, because 25753131 - 2² = 25753127 is a prime.

It is a super-2 number, since 2×25753131² = 1326447512606322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25753095 and 25753104.

It is not an unprimeable number, because it can be changed into a prime (25753139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19995 + ... + 21243.

It is an arithmetic number, because the mean of its divisors is an integer number (1625000).

Almost surely, 2^25753131 is an apocalyptic number.

25753131 is a deficient number, since it is larger than the sum of its proper divisors (13246869).

25753131 is a wasteful number, since it uses less digits than its factorization.

25753131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1360 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 25753131 is about 5074.7542797657. The cubic root of 25753131 is about 295.3089973046.

Adding to 25753131 its reverse (13135752), we get a palindrome (38888883).

The spelling of 25753131 in words is "twenty-five million, seven hundred fifty-three thousand, one hundred thirty-one".