625328408 has 32 divisors (see below), whose sum is σ = 1245954960. Its totient is φ = 293207040.

The previous prime is 625328401. The next prime is 625328423. The reversal of 625328408 is 804823526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625328401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30035 + ... + 46397.

Almost surely, 2^625328408 is an apocalyptic number.

625328408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

625328408 is a deficient number, since it is larger than the sum of its proper divisors (620626552).

625328408 is a wasteful number, since it uses less digits than its factorization.

625328408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667 (or 16663 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 625328408 is about 25006.5672974121. The cubic root of 625328408 is about 855.1376990583.

The spelling of 625328408 in words is "six hundred twenty-five million, three hundred twenty-eight thousand, four hundred eight".