25628464 has 10 divisors (see below), whose sum is σ = 49655180. Its totient is φ = 12814224.

The previous prime is 25628459. The next prime is 25628483. The reversal of 25628464 is 46482652.

It is a zygodrome in base 2.

It is an unprimeable number.

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, 800874 + ... + 800905.

It is an arithmetic number, because the mean of its divisors is an integer number (4965518).

Almost surely, 2^25628464 is an apocalyptic number.

It is an amenable number.

25628464 is a deficient number, since it is larger than the sum of its proper divisors (24026716).

25628464 is a wasteful number, since it uses less digits than its factorization.

25628464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601787 (or 1601781 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 25628464 is about 5062.4563207992. The cubic root of 25628464 is about 294.8317109662.

It can be divided in two parts, 2562 and 8464, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 25628464 in words is "twenty-five million, six hundred twenty-eight thousand, four hundred sixty-four".