25057240 has 32 divisors (see below), whose sum is σ = 60716880. Its totient is φ = 9251712.

The previous prime is 25057237. The next prime is 25057259. The reversal of 25057240 is 4275052.

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, 23574 + ... + 24613.

Almost surely, 2^25057240 is an apocalyptic number.

25057240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25057240 is an abundant number, since it is smaller than the sum of its proper divisors (35659640).

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

25057240 is a wasteful number, since it uses less digits than its factorization.

25057240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48211 (or 48207 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25057240 is about 5005.7207273279. The cubic root of 25057240 is about 292.6247647549.

The spelling of 25057240 in words is "twenty-five million, fifty-seven thousand, two hundred forty".