625316328 has 256 divisors, whose sum is σ = 2213568000. Its totient is φ = 159086592.

The previous prime is 625316311. The next prime is 625316339. The reversal of 625316328 is 823613526.

It is a happy number.

625316328 is a `hidden beast` number, since 62 + 531 + 63 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 625316292 and 625316301.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 569476 + ... + 570572.

It is an arithmetic number, because the mean of its divisors is an integer number (8646750).

Almost surely, 2^625316328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625316328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106784000).

625316328 is an abundant number, since it is smaller than the sum of its proper divisors (1588251672).

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

625316328 is a wasteful number, since it uses less digits than its factorization.

625316328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1151 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 625316328 is about 25006.3257596953. The cubic root of 625316328 is about 855.1321925491.

The spelling of 625316328 in words is "six hundred twenty-five million, three hundred sixteen thousand, three hundred twenty-eight".