625305513 has 24 divisors (see below), whose sum is σ = 996082752. Its totient is φ = 347657184.

The previous prime is 625305503. The next prime is 625305529. The reversal of 625305513 is 315503526.

625305513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 625305513 - 2¹⁶ = 625239977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625305503) 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, 52045 + ... + 62922.

It is an arithmetic number, because the mean of its divisors is an integer number (41503448).

Almost surely, 2^625305513 is an apocalyptic number.

It is an amenable number.

625305513 is a deficient number, since it is larger than the sum of its proper divisors (370777239).

625305513 is a wasteful number, since it uses less digits than its factorization.

625305513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115021 (or 115014 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 625305513 is about 25006.1095134769. The cubic root of 625305513 is about 855.1272626134.

The spelling of 625305513 in words is "six hundred twenty-five million, three hundred five thousand, five hundred thirteen".