25064013 has 16 divisors (see below), whose sum is σ = 36259776. Its totient is φ = 15308160.

The previous prime is 25064009. The next prime is 25064023. The reversal of 25064013 is 31046052.

It is a happy number.

It is not a de Polignac number, because 25064013 - 2² = 25064009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25064023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2998 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (2266236).

Almost surely, 2^25064013 is an apocalyptic number.

It is an amenable number.

25064013 is a deficient number, since it is larger than the sum of its proper divisors (11195763).

25064013 is a wasteful number, since it uses less digits than its factorization.

25064013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25064013 is about 5006.3972075735. The cubic root of 25064013 is about 292.6511279801.

The spelling of 25064013 in words is "twenty-five million, sixty-four thousand, thirteen".