25301940 has 24 divisors (see below), whose sum is σ = 70845600. Its totient is φ = 6747168.

The previous prime is 25301929. The next prime is 25301957. The reversal of 25301940 is 4910352.

It is a self number, because there is not a number n which added to its sum of digits gives 25301940.

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, 210790 + ... + 210909.

It is an arithmetic number, because the mean of its divisors is an integer number (2951900).

Almost surely, 2^25301940 is an apocalyptic number.

25301940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25301940 is an abundant number, since it is smaller than the sum of its proper divisors (45543660).

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

25301940 is a wasteful number, since it uses less digits than its factorization.

25301940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421711 (or 421709 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25301940 is about 5030.1033786593. The cubic root of 25301940 is about 293.5742367888.

The spelling of 25301940 in words is "twenty-five million, three hundred one thousand, nine hundred forty".