25985416 has 16 divisors (see below), whose sum is σ = 49856400. Its totient is φ = 12690384.

The previous prime is 25985411. The next prime is 25985417. The reversal of 25985416 is 61458952.

It is not an unprimeable number, because it can be changed into a prime (25985411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37426 + ... + 38113.

It is an arithmetic number, because the mean of its divisors is an integer number (3116025).

Almost surely, 2^25985416 is an apocalyptic number.

It is an amenable number.

25985416 is a deficient number, since it is larger than the sum of its proper divisors (23870984).

25985416 is a wasteful number, since it uses less digits than its factorization.

25985416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75588 (or 75584 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 25985416 is about 5097.5892341380. The cubic root of 25985416 is about 296.1942054005.

The spelling of 25985416 in words is "twenty-five million, nine hundred eighty-five thousand, four hundred sixteen".