625203517139 has 2 divisors, whose sum is σ = 625203517140. Its totient is φ = 625203517138.

The previous prime is 625203517117. The next prime is 625203517157. The reversal of 625203517139 is 931715302526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625203517139 - 2¹² = 625203513043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625203517139.

It is not a weakly prime, because it can be changed into another prime (625203117139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312601758569 + 312601758570.

It is an arithmetic number, because the mean of its divisors is an integer number (312601758570).

Almost surely, 2^625203517139 is an apocalyptic number.

625203517139 is a deficient number, since it is larger than the sum of its proper divisors (1).

625203517139 is an equidigital number, since it uses as much as digits as its factorization.

625203517139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 625203517139 in words is "six hundred twenty-five billion, two hundred three million, five hundred seventeen thousand, one hundred thirty-nine".