25170016 has 24 divisors (see below), whose sum is σ = 51153984. Its totient is φ = 12178560.

The previous prime is 25169993. The next prime is 25170037. The reversal of 25170016 is 61007152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11695 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (2131416).

Almost surely, 2^25170016 is an apocalyptic number.

It is an amenable number.

25170016 is an abundant number, since it is smaller than the sum of its proper divisors (25983968).

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

25170016 is a wasteful number, since it uses less digits than its factorization.

25170016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25414 (or 25406 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 25170016 is about 5016.9727924317. The cubic root of 25170016 is about 293.0631166275.

Adding to 25170016 its reverse (61007152), we get a palindrome (86177168).

The spelling of 25170016 in words is "twenty-five million, one hundred seventy thousand, sixteen".