25655464 has 8 divisors (see below), whose sum is σ = 48104010. Its totient is φ = 12827728.

The previous prime is 25655449. The next prime is 25655489. The reversal of 25655464 is 46455652.

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 1232100 = 4942^2 + 1110^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603459 + ... + 1603474.

Almost surely, 2^25655464 is an apocalyptic number.

It is an amenable number.

25655464 is a deficient number, since it is larger than the sum of its proper divisors (22448546).

25655464 is a wasteful number, since it uses less digits than its factorization.

25655464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206939 (or 3206935 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 25655464 is about 5065.1223084936. The cubic root of 25655464 is about 294.9352112819.

The spelling of 25655464 in words is "twenty-five million, six hundred fifty-five thousand, four hundred sixty-four".