625986079 has 2 divisors, whose sum is σ = 625986080. Its totient is φ = 625986078.

The previous prime is 625986061. The next prime is 625986133. The reversal of 625986079 is 970689526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625986079 - 2¹³ = 625977887 is a prime.

It is a super-2 number, since 2×625986079² = 783717142203588482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625986479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312993039 + 312993040.

It is an arithmetic number, because the mean of its divisors is an integer number (312993040).

Almost surely, 2^625986079 is an apocalyptic number.

625986079 is a deficient number, since it is larger than the sum of its proper divisors (1).

625986079 is an equidigital number, since it uses as much as digits as its factorization.

625986079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 625986079 is about 25019.7138073160. The cubic root of 625986079 is about 855.4373827718.

The spelling of 625986079 in words is "six hundred twenty-five million, nine hundred eighty-six thousand, seventy-nine".