625320 has 80 divisors (see below), whose sum is σ = 2112660. Its totient is φ = 165888.

The previous prime is 625319. The next prime is 625343. The reversal of 625320 is 23526.

It can be written as a sum of positive squares in 2 ways, for example, as 599076 + 26244 = 774^2 + 162^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 625293 and 625302.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625320.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3144 + ... + 3336.

2⁶²⁵³²⁰ is an apocalyptic number.

625320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056330).

625320 is an abundant number, since it is smaller than the sum of its proper divisors (1487340).

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

625320 is a wasteful number, since it uses less digits than its factorization.

625320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 625320 is about 790.7717749136. The cubic root of 625320 is about 85.5133866390.

Adding to 625320 its reverse (23526), we get a palindrome (648846).

The spelling of 625320 in words is "six hundred twenty-five thousand, three hundred twenty".