25481016 has 48 divisors (see below), whose sum is σ = 75287160. Its totient is φ = 7721280.

The previous prime is 25481009. The next prime is 25481021. The reversal of 25481016 is 61018452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15295 + ... + 16878.

Almost surely, 2^25481016 is an apocalyptic number.

It is an amenable number.

25481016 is an abundant number, since it is smaller than the sum of its proper divisors (49806144).

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

25481016 is a wasteful number, since it uses less digits than its factorization.

25481016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32196 (or 32189 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 25481016 is about 5047.8724231106. The cubic root of 25481016 is about 294.2652056501.

Adding to 25481016 its reverse (61018452), we get a palindrome (86499468).

The spelling of 25481016 in words is "twenty-five million, four hundred eighty-one thousand, sixteen".