25057944 has 32 divisors (see below), whose sum is σ = 69606000. Its totient is φ = 8352576.

The previous prime is 25057939. The next prime is 25057961. The reversal of 25057944 is 44975052.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25057899 and 25057908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57789 + ... + 58220.

Almost surely, 2^25057944 is an apocalyptic number.

25057944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25057944 is an abundant number, since it is smaller than the sum of its proper divisors (44548056).

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

25057944 is a wasteful number, since it uses less digits than its factorization.

25057944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116024 (or 116014 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 25057944 is about 5005.7910463782. The cubic root of 25057944 is about 292.6275052257.

The spelling of 25057944 in words is "twenty-five million, fifty-seven thousand, nine hundred forty-four".