25689464 has 16 divisors (see below), whose sum is σ = 48221520. Its totient is φ = 12830400.

The previous prime is 25689437. The next prime is 25689467. The reversal of 25689464 is 46498652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25689467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13364 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (3013845).

Almost surely, 2^25689464 is an apocalyptic number.

It is an amenable number.

25689464 is a deficient number, since it is larger than the sum of its proper divisors (22532056).

25689464 is a wasteful number, since it uses less digits than its factorization.

25689464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590 (or 3586 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 25689464 is about 5068.4774834264. The cubic root of 25689464 is about 295.0654417681.

The spelling of 25689464 in words is "twenty-five million, six hundred eighty-nine thousand, four hundred sixty-four".