25088013 has 6 divisors (see below), whose sum is σ = 36238254. Its totient is φ = 16725336.

The previous prime is 25087991. The next prime is 25088017. The reversal of 25088013 is 31088052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19342404 + 5745609 = 4398^2 + 2397^2 .

It is not a de Polignac number, because 25088013 - 2⁵ = 25087981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25088017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393770 + ... + 1393787.

It is an arithmetic number, because the mean of its divisors is an integer number (6039709).

Almost surely, 2^25088013 is an apocalyptic number.

It is an amenable number.

25088013 is a deficient number, since it is larger than the sum of its proper divisors (11150241).

25088013 is a wasteful number, since it uses less digits than its factorization.

25088013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787563 (or 2787560 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 25088013 is about 5008.7935673174. The cubic root of 25088013 is about 292.7445073662.

Subtracting from 25088013 its sum of digits (27), we obtain a triangular number (25087986 = T₇₀₈₃).

The spelling of 25088013 in words is "twenty-five million, eighty-eight thousand, thirteen".