625381344 has 192 divisors, whose sum is σ = 2125025280. Its totient is φ = 175219200.

The previous prime is 625381343. The next prime is 625381357. The reversal of 625381344 is 443183526.

It is a super-2 number, since 2×625381344² = 782203650846492672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 625381299 and 625381308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625381343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319569 + ... + 321519.

It is an arithmetic number, because the mean of its divisors is an integer number (11067840).

Almost surely, 2^625381344 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 625381344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062512640).

625381344 is an abundant number, since it is smaller than the sum of its proper divisors (1499643936).

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

625381344 is a wasteful number, since it uses less digits than its factorization.

625381344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2016 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 625381344 is about 25007.6257169688. The cubic root of 625381344 is about 855.1618284019.

The spelling of 625381344 in words is "six hundred twenty-five million, three hundred eighty-one thousand, three hundred forty-four".