625424460 has 48 divisors (see below), whose sum is σ = 1779906912. Its totient is φ = 164044800.

The previous prime is 625424453. The next prime is 625424461. The reversal of 625424460 is 64424526.

It is not an unprimeable number, because it can be changed into a prime (625424461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81781 + ... + 89100.

It is an arithmetic number, because the mean of its divisors is an integer number (37081394).

Almost surely, 2^625424460 is an apocalyptic number.

625424460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625424460 is an abundant number, since it is smaller than the sum of its proper divisors (1154482452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625424460 is a wasteful number, since it uses less digits than its factorization.

625424460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170954 (or 170952 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 625424460 is about 25008.4877591589. The cubic root of 625424460 is about 855.1814805765.

Adding to 625424460 its reverse (64424526), we get a palindrome (689848986).

The spelling of 625424460 in words is "six hundred twenty-five million, four hundred twenty-four thousand, four hundred sixty".