625405625267 has 2 divisors, whose sum is σ = 625405625268. Its totient is φ = 625405625266.

The previous prime is 625405625263. The next prime is 625405625347. The reversal of 625405625267 is 762526504526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625405625267 - 2² = 625405625263 is a prime.

It is a super-2 number, since 2×625405625267² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (625405625263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312702812633 + 312702812634.

It is an arithmetic number, because the mean of its divisors is an integer number (312702812634).

Almost surely, 2^625405625267 is an apocalyptic number.

625405625267 is a deficient number, since it is larger than the sum of its proper divisors (1).

625405625267 is an equidigital number, since it uses as much as digits as its factorization.

625405625267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 625405625267 in words is "six hundred twenty-five billion, four hundred five million, six hundred twenty-five thousand, two hundred sixty-seven".