25456016 has 10 divisors (see below), whose sum is σ = 49321062. Its totient is φ = 12728000.

The previous prime is 25455967. The next prime is 25456019. The reversal of 25456016 is 61065452.

It can be written as a sum of positive squares in only one way, i.e., 14592400 + 10863616 = 3820^2 + 3296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25456016.

It is not an unprimeable number, because it can be changed into a prime (25456019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795485 + ... + 795516.

Almost surely, 2^25456016 is an apocalyptic number.

It is an amenable number.

25456016 is a deficient number, since it is larger than the sum of its proper divisors (23865046).

25456016 is a wasteful number, since it uses less digits than its factorization.

25456016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591009 (or 1591003 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25456016 is about 5045.3955246343. The cubic root of 25456016 is about 294.1689374143.

The spelling of 25456016 in words is "twenty-five million, four hundred fifty-six thousand, sixteen".