25088564 has 6 divisors (see below), whose sum is σ = 43904994. Its totient is φ = 12544280.

The previous prime is 25088543. The next prime is 25088573. The reversal of 25088564 is 46588052.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 1488400 = 4858^2 + 1220^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136067 + ... + 3136074.

It is an arithmetic number, because the mean of its divisors is an integer number (7317499).

Almost surely, 2^25088564 is an apocalyptic number.

It is an amenable number.

25088564 is a deficient number, since it is larger than the sum of its proper divisors (18816430).

25088564 is a wasteful number, since it uses less digits than its factorization.

25088564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272145 (or 6272143 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 25088564 is about 5008.8485702804. The cubic root of 25088564 is about 292.7466505018.

It can be divided in two parts, 25088 and 564, that added together give a palindrome (25652).

The spelling of 25088564 in words is "twenty-five million, eighty-eight thousand, five hundred sixty-four".