25365380 has 24 divisors (see below), whose sum is σ = 56071680. Its totient is φ = 9612000.

The previous prime is 25365371. The next prime is 25365397. The reversal of 25365380 is 8356352.

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, 32996 + ... + 33755.

It is an arithmetic number, because the mean of its divisors is an integer number (2336320).

Almost surely, 2^25365380 is an apocalyptic number.

25365380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25365380 is an abundant number, since it is smaller than the sum of its proper divisors (30706300).

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

25365380 is a wasteful number, since it uses less digits than its factorization.

25365380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66779 (or 66777 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25365380 is about 5036.4054642175. The cubic root of 25365380 is about 293.8193932934.

Subtracting from 25365380 its reverse (8356352), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 25365380 in words is "twenty-five million, three hundred sixty-five thousand, three hundred eighty".