25977020 has 24 divisors (see below), whose sum is σ = 57761424. Its totient is φ = 9779456.

The previous prime is 25977013. The next prime is 25977059. The reversal of 25977020 is 2077952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37862 + ... + 38541.

It is an arithmetic number, because the mean of its divisors is an integer number (2406726).

Almost surely, 2^25977020 is an apocalyptic number.

25977020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25977020 is an abundant number, since it is smaller than the sum of its proper divisors (31784404).

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

25977020 is a wasteful number, since it uses less digits than its factorization.

25977020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76429 (or 76427 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 25977020 is about 5096.7656410708. The cubic root of 25977020 is about 296.1623014223.

The spelling of 25977020 in words is "twenty-five million, nine hundred seventy-seven thousand, twenty".