625434460 has 24 divisors (see below), whose sum is σ = 1501043040. Its totient is φ = 214434624.

The previous prime is 625434451. The next prime is 625434461. The reversal of 625434460 is 64434526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625434461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233555 + ... + 2233834.

It is an arithmetic number, because the mean of its divisors is an integer number (62543460).

Almost surely, 2^625434460 is an apocalyptic number.

It is an amenable number.

625434460 is an abundant number, since it is smaller than the sum of its proper divisors (875608580).

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

625434460 is a wasteful number, since it uses less digits than its factorization.

625434460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467405 (or 4467403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 625434460 is about 25008.6876904807. The cubic root of 625434460 is about 855.1860384247.

Adding to 625434460 its reverse (64434526), we get a palindrome (689868986).

The spelling of 625434460 in words is "six hundred twenty-five million, four hundred thirty-four thousand, four hundred sixty".