625320023519 has 2 divisors, whose sum is σ = 625320023520. Its totient is φ = 625320023518.

The previous prime is 625320023509. The next prime is 625320023527. The reversal of 625320023519 is 915320023526.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625320023519 is a prime.

It is a super-2 number, since 2×625320023519² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625320023509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312660011759 + 312660011760.

It is an arithmetic number, because the mean of its divisors is an integer number (312660011760).

Almost surely, 2^625320023519 is an apocalyptic number.

625320023519 is a deficient number, since it is larger than the sum of its proper divisors (1).

625320023519 is an equidigital number, since it uses as much as digits as its factorization.

625320023519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 625320023519 in words is "six hundred twenty-five billion, three hundred twenty million, twenty-three thousand, five hundred nineteen".