6625039 has 2 divisors, whose sum is σ = 6625040. Its totient is φ = 6625038.

The previous prime is 6625033. The next prime is 6625043. The reversal of 6625039 is 9305266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6625039 - 2⁵ = 6625007 is a prime.

It is a super-2 number, since 2×6625039² = 87782283503042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6625039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312519 + 3312520.

It is an arithmetic number, because the mean of its divisors is an integer number (3312520).

Almost surely, 2^6625039 is an apocalyptic number.

6625039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625039 is an equidigital number, since it uses as much as digits as its factorization.

6625039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 6625039 is about 2573.9151112653. The cubic root of 6625039 is about 187.8146562516.

The spelling of 6625039 in words is "six million, six hundred twenty-five thousand, thirty-nine".