25161036 has 48 divisors (see below), whose sum is σ = 61350240. Its totient is φ = 8017920.

The previous prime is 25161029. The next prime is 25161041. The reversal of 25161036 is 63016152.

It is a junction number, because it is equal to n+sod(n) for n = 25160997 and 25161015.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 26620 + ... + 27548.

It is an arithmetic number, because the mean of its divisors is an integer number (1278130).

Almost surely, 2^25161036 is an apocalyptic number.

It is an amenable number.

25161036 is an abundant number, since it is smaller than the sum of its proper divisors (36189204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25161036 is a wasteful number, since it uses less digits than its factorization.

25161036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25161036 is about 5016.0777505936. The cubic root of 25161036 is about 293.0282600767.

Adding to 25161036 its reverse (63016152), we get a palindrome (88177188).

The spelling of 25161036 in words is "twenty-five million, one hundred sixty-one thousand, thirty-six".