625295086993 has 2 divisors, whose sum is σ = 625295086994. Its totient is φ = 625295086992.

The previous prime is 625295086951. The next prime is 625295087063. The reversal of 625295086993 is 399680592526.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521503511104 + 103791575889 = 722152^2 + 322167^2 .

It is a cyclic number.

It is not a de Polignac number, because 625295086993 - 2¹⁷ = 625294955921 is a prime.

It is not a weakly prime, because it can be changed into another prime (625295083993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312647543496 + 312647543497.

It is an arithmetic number, because the mean of its divisors is an integer number (312647543497).

Almost surely, 2^625295086993 is an apocalyptic number.

It is an amenable number.

625295086993 is a deficient number, since it is larger than the sum of its proper divisors (1).

625295086993 is an equidigital number, since it uses as much as digits as its factorization.

625295086993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 625295086993 in words is "six hundred twenty-five billion, two hundred ninety-five million, eighty-six thousand, nine hundred ninety-three".