6625013 has 4 divisors (see below), whose sum is σ = 6638688. Its totient is φ = 6611340.

The previous prime is 6625007. The next prime is 6625033. The reversal of 6625013 is 3105266.

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 6625013 - 2⁸ = 6624757 is a prime.

It is an Ulam number.

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 6625013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625033) 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 3 ways as a sum of consecutive naturals, for example, 6083 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (1659672).

Almost surely, 2^6625013 is an apocalyptic number.

It is an amenable number.

6625013 is a deficient number, since it is larger than the sum of its proper divisors (13675).

6625013 is a wasteful number, since it uses less digits than its factorization.

6625013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13674.

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

The square root of 6625013 is about 2573.9100605888. The cubic root of 6625013 is about 187.8144105581.

The spelling of 6625013 in words is "six million, six hundred twenty-five thousand, thirteen".