25772016 has 20 divisors (see below), whose sum is σ = 66577832. Its totient is φ = 8590656.

The previous prime is 25772009. The next prime is 25772053. The reversal of 25772016 is 61027752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268411 + ... + 268506.

Almost surely, 2^25772016 is an apocalyptic number.

It is an amenable number.

25772016 is an abundant number, since it is smaller than the sum of its proper divisors (40805816).

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

25772016 is a wasteful number, since it uses less digits than its factorization.

25772016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536928 (or 536922 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 25772016 is about 5076.6146200002. The cubic root of 25772016 is about 295.3811639053.

Adding to 25772016 its reverse (61027752), we get a palindrome (86799768).

The spelling of 25772016 in words is "twenty-five million, seven hundred seventy-two thousand, sixteen".