25066013 has 4 divisors (see below), whose sum is σ = 28646880. Its totient is φ = 21485148.

The previous prime is 25066003. The next prime is 25066031. The reversal of 25066013 is 31066052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25066013 - 2⁸ = 25065757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25066013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25066003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790423 + ... + 1790436.

It is an arithmetic number, because the mean of its divisors is an integer number (7161720).

Almost surely, 2^25066013 is an apocalyptic number.

It is an amenable number.

25066013 is a deficient number, since it is larger than the sum of its proper divisors (3580867).

25066013 is an equidigital number, since it uses as much as digits as its factorization.

25066013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580866.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 25066013 is about 5006.5969480277. The cubic root of 25066013 is about 292.6589118718.

The spelling of 25066013 in words is "twenty-five million, sixty-six thousand, thirteen".