25423560 has 48 divisors (see below), whose sum is σ = 82627740. Its totient is φ = 6779520.

The previous prime is 25423537. The next prime is 25423571. The reversal of 25423560 is 6532452.

It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 443556 = 4998^2 + 666^2 .

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 11 ways as a sum of consecutive naturals, for example, 34951 + ... + 35670.

Almost surely, 2^25423560 is an apocalyptic number.

25423560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25423560 is an abundant number, since it is smaller than the sum of its proper divisors (57204180).

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

25423560 is a wasteful number, since it uses less digits than its factorization.

25423560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70638 (or 70631 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25423560 is about 5042.1781007814. The cubic root of 25423560 is about 294.0438640647.

The spelling of 25423560 in words is "twenty-five million, four hundred twenty-three thousand, five hundred sixty".