625668412 has 24 divisors (see below), whose sum is σ = 1131927552. Its totient is φ = 302290800.

The previous prime is 625668403. The next prime is 625668419. The reversal of 625668412 is 214866526.

625668412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625668419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88737 + ... + 95527.

It is an arithmetic number, because the mean of its divisors is an integer number (47163648).

Almost surely, 2^625668412 is an apocalyptic number.

625668412 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

625668412 is a deficient number, since it is larger than the sum of its proper divisors (506259140).

625668412 is a wasteful number, since it uses less digits than its factorization.

625668412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569 (or 7567 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 625668412 is about 25013.3646677131. The cubic root of 625668412 is about 855.2926563335.

The spelling of 625668412 in words is "six hundred twenty-five million, six hundred sixty-eight thousand, four hundred twelve".