625386910231 has 4 divisors (see below), whose sum is σ = 638693014752. Its totient is φ = 612080805712.

The previous prime is 625386910229. The next prime is 625386910249. The reversal of 625386910231 is 132019683526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625386910231 - 2¹ = 625386910229 is a prime.

It is a super-2 number, since 2×625386910231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625386910261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6653052190 + ... + 6653052283.

It is an arithmetic number, because the mean of its divisors is an integer number (159673253688).

Almost surely, 2^625386910231 is an apocalyptic number.

625386910231 is a deficient number, since it is larger than the sum of its proper divisors (13306104521).

625386910231 is a wasteful number, since it uses less digits than its factorization.

625386910231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306104520.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 625386910231 in words is "six hundred twenty-five billion, three hundred eighty-six million, nine hundred ten thousand, two hundred thirty-one".