25655472 has 60 divisors (see below), whose sum is σ = 75586680. Its totient is φ = 8100864.

The previous prime is 25655449. The next prime is 25655489. The reversal of 25655472 is 27455652.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (1259778).

Almost surely, 2^25655472 is an apocalyptic number.

It is an amenable number.

25655472 is an abundant number, since it is smaller than the sum of its proper divisors (49931208).

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

25655472 is a wasteful number, since it uses less digits than its factorization.

25655472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410 (or 9401 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 25655472 is about 5065.1230982080. The cubic root of 25655472 is about 294.9352419379.

The spelling of 25655472 in words is "twenty-five million, six hundred fifty-five thousand, four hundred seventy-two".