625312344 has 64 divisors (see below), whose sum is σ = 1648483200. Its totient is φ = 197116416.

The previous prime is 625312271. The next prime is 625312381. The reversal of 625312344 is 443213526.

It is a super-3 number, since 3×625312344³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 401872 + ... + 403424.

It is an arithmetic number, because the mean of its divisors is an integer number (25757550).

Almost surely, 2^625312344 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 625312344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824241600).

625312344 is an abundant number, since it is smaller than the sum of its proper divisors (1023170856).

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

625312344 is a wasteful number, since it uses less digits than its factorization.

625312344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2460 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 625312344 is about 25006.2460997248. The cubic root of 625312344 is about 855.1303764795.

The spelling of 625312344 in words is "six hundred twenty-five million, three hundred twelve thousand, three hundred forty-four".