25901080 has 16 divisors (see below), whose sum is σ = 58277520. Its totient is φ = 10360416.

The previous prime is 25901021. The next prime is 25901087. The reversal of 25901080 is 8010952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25901087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323724 + ... + 323803.

It is an arithmetic number, because the mean of its divisors is an integer number (3642345).

Almost surely, 2^25901080 is an apocalyptic number.

25901080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25901080 is an abundant number, since it is smaller than the sum of its proper divisors (32376440).

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

25901080 is a wasteful number, since it uses less digits than its factorization.

25901080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647538 (or 647534 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 25901080 is about 5089.3103658551. The cubic root of 25901080 is about 295.8734240891.

The spelling of 25901080 in words is "twenty-five million, nine hundred one thousand, eighty".