25852664 has 8 divisors (see below), whose sum is σ = 48473760. Its totient is φ = 12926328.

The previous prime is 25852663. The next prime is 25852681. The reversal of 25852664 is 46625852.

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 (25852663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615784 + ... + 1615799.

It is an arithmetic number, because the mean of its divisors is an integer number (6059220).

Almost surely, 2^25852664 is an apocalyptic number.

It is an amenable number.

25852664 is a deficient number, since it is larger than the sum of its proper divisors (22621096).

25852664 is a wasteful number, since it uses less digits than its factorization.

25852664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231589 (or 3231585 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 25852664 is about 5084.5515043119. The cubic root of 25852664 is about 295.6889537539.

The spelling of 25852664 in words is "twenty-five million, eight hundred fifty-two thousand, six hundred sixty-four".