625006505 has 24 divisors (see below), whose sum is σ = 778284672. Its totient is φ = 481574016.

The previous prime is 625006477. The next prime is 625006507. The reversal of 625006505 is 505600526.

It is not a de Polignac number, because 625006505 - 2⁶ = 625006441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625006507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702832 + ... + 1703198.

It is an arithmetic number, because the mean of its divisors is an integer number (32428528).

Almost surely, 2^625006505 is an apocalyptic number.

It is an amenable number.

625006505 is a deficient number, since it is larger than the sum of its proper divisors (153278167).

625006505 is an equidigital number, since it uses as much as digits as its factorization.

625006505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 625006505 is about 25000.1300996615. The cubic root of 625006505 is about 854.9909395663.

The spelling of 625006505 in words is "six hundred twenty-five million, six thousand, five hundred five".