25863528 has 32 divisors (see below), whose sum is σ = 68463360. Its totient is φ = 8113920.

The previous prime is 25863527. The next prime is 25863529. The reversal of 25863528 is 82536852.

It is an interprime number because it is at equal distance from previous prime (25863527) and next prime (25863529).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25863527) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 31288 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (2139480).

Almost surely, 2^25863528 is an apocalyptic number.

It is an amenable number.

25863528 is an abundant number, since it is smaller than the sum of its proper divisors (42599832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25863528 is a wasteful number, since it uses less digits than its factorization.

25863528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63417 (or 63413 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 25863528 is about 5085.6197262477. The cubic root of 25863528 is about 295.7303668287.

The spelling of 25863528 in words is "twenty-five million, eight hundred sixty-three thousand, five hundred twenty-eight".