25012580 has 12 divisors (see below), whose sum is σ = 52526460. Its totient is φ = 10005024.

The previous prime is 25012577. The next prime is 25012591. The reversal of 25012580 is 8521052.

It can be written as a sum of positive squares in 2 ways, for example, as 6677056 + 18335524 = 2584^2 + 4282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625295 + ... + 625334.

It is an arithmetic number, because the mean of its divisors is an integer number (4377205).

Almost surely, 2^25012580 is an apocalyptic number.

25012580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25012580 is an abundant number, since it is smaller than the sum of its proper divisors (27513880).

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

25012580 is a wasteful number, since it uses less digits than its factorization.

25012580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250638 (or 1250636 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 25012580 is about 5001.2578417834. The cubic root of 25012580 is about 292.4508111212.

The spelling of 25012580 in words is "twenty-five million, twelve thousand, five hundred eighty".