25975320 has 192 divisors, whose sum is σ = 95489280. Its totient is φ = 5535744.

The previous prime is 25975309. The next prime is 25975333. The reversal of 25975320 is 2357952.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242707 + ... + 242813.

It is an arithmetic number, because the mean of its divisors is an integer number (497340).

Almost surely, 2^25975320 is an apocalyptic number.

25975320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25975320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47744640).

25975320 is an abundant number, since it is smaller than the sum of its proper divisors (69513960).

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

25975320 is a wasteful number, since it uses less digits than its factorization.

25975320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 25975320 is about 5096.5988659105. The cubic root of 25975320 is about 296.1558407519.

The spelling of 25975320 in words is "twenty-five million, nine hundred seventy-five thousand, three hundred twenty".