25052580 has 144 divisors (see below), whose sum is σ = 88583040. Its totient is φ = 5612544.

The previous prime is 25052579. The next prime is 25052603. The reversal of 25052580 is 8525052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74172 + ... + 74508.

It is an arithmetic number, because the mean of its divisors is an integer number (615160).

Almost surely, 2^25052580 is an apocalyptic number.

25052580 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 25052580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44291520).

25052580 is an abundant number, since it is smaller than the sum of its proper divisors (63530460).

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

25052580 is a wasteful number, since it uses less digits than its factorization.

25052580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 25052580 is about 5005.2552382471. The cubic root of 25052580 is about 292.6066234120.

The spelling of 25052580 in words is "twenty-five million, fifty-two thousand, five hundred eighty".