525330320 has 20 divisors (see below), whose sum is σ = 1221393180. Its totient is φ = 210132096.

The previous prime is 525330319. The next prime is 525330341. The reversal of 525330320 is 23033525.

It can be written as a sum of positive squares in 2 ways, for example, as 133448704 + 391881616 = 11552^2 + 19796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×525330320² = 551943890222604800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283235 + ... + 3283394.

It is an arithmetic number, because the mean of its divisors is an integer number (61069659).

Almost surely, 2^525330320 is an apocalyptic number.

It is an amenable number.

525330320 is an abundant number, since it is smaller than the sum of its proper divisors (696062860).

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

525330320 is a wasteful number, since it uses less digits than its factorization.

525330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566642 (or 6566636 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 525330320 is about 22920.0855146747. The cubic root of 525330320 is about 806.8834773030.

Adding to 525330320 its reverse (23033525), we get a palindrome (548363845).

The spelling of 525330320 in words is "five hundred twenty-five million, three hundred thirty thousand, three hundred twenty".