25275580 has 24 divisors (see below), whose sum is σ = 57904560. Its totient is φ = 9191040.

The previous prime is 25275563. The next prime is 25275589. The reversal of 25275580 is 8557252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57225 + ... + 57664.

It is an arithmetic number, because the mean of its divisors is an integer number (2412690).

Almost surely, 2^25275580 is an apocalyptic number.

25275580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25275580 is an abundant number, since it is smaller than the sum of its proper divisors (32628980).

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

25275580 is a wasteful number, since it uses less digits than its factorization.

25275580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114909 (or 114907 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 25275580 is about 5027.4824713767. The cubic root of 25275580 is about 293.4722511197.

The spelling of 25275580 in words is "twenty-five million, two hundred seventy-five thousand, five hundred eighty".