25261472 has 24 divisors (see below), whose sum is σ = 49845600. Its totient is φ = 12602304.

The previous prime is 25261433. The next prime is 25261501. The reversal of 25261472 is 27416252.

It is a happy number.

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, 27029 + ... + 27947.

It is an arithmetic number, because the mean of its divisors is an integer number (2076900).

Almost surely, 2^25261472 is an apocalyptic number.

It is an amenable number.

25261472 is a deficient number, since it is larger than the sum of its proper divisors (24584128).

25261472 is an equidigital number, since it uses as much as digits as its factorization.

25261472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1780 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 25261472 is about 5026.0791875974. The cubic root of 25261472 is about 293.4176387615.

The spelling of 25261472 in words is "twenty-five million, two hundred sixty-one thousand, four hundred seventy-two".