25605048 has 48 divisors (see below), whose sum is σ = 74467080. Its totient is φ = 7315392.

The previous prime is 25605037. The next prime is 25605059. The reversal of 25605048 is 84050652.

It is an interprime number because it is at equal distance from previous prime (25605037) and next prime (25605059).

It is a congruent number.

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, 9711 + ... + 12062.

Almost surely, 2^25605048 is an apocalyptic number.

25605048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25605048 is an abundant number, since it is smaller than the sum of its proper divisors (48862032).

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

25605048 is a wasteful number, since it uses less digits than its factorization.

25605048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796 (or 21785 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25605048 is about 5060.1430809810. The cubic root of 25605048 is about 294.7418904837.

The spelling of 25605048 in words is "twenty-five million, six hundred five thousand, forty-eight".