25458872 has 8 divisors (see below), whose sum is σ = 47735400. Its totient is φ = 12729432.

The previous prime is 25458871. The next prime is 25458887. The reversal of 25458872 is 27885452.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25458871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591172 + ... + 1591187.

It is an arithmetic number, because the mean of its divisors is an integer number (5966925).

Almost surely, 2^25458872 is an apocalyptic number.

It is an amenable number.

25458872 is a deficient number, since it is larger than the sum of its proper divisors (22276528).

25458872 is a wasteful number, since it uses less digits than its factorization.

25458872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182365 (or 3182361 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 25458872 is about 5045.6785470341. The cubic root of 25458872 is about 294.1799382856.

The spelling of 25458872 in words is "twenty-five million, four hundred fifty-eight thousand, eight hundred seventy-two".