525012320 has 48 divisors (see below), whose sum is σ = 1417536288. Its totient is φ = 180003840.

The previous prime is 525012307. The next prime is 525012331. The reversal of 525012320 is 23210525.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 525012292 and 525012301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233261 + ... + 235500.

It is an arithmetic number, because the mean of its divisors is an integer number (29532006).

Almost surely, 2^525012320 is an apocalyptic number.

It is an amenable number.

525012320 is an abundant number, since it is smaller than the sum of its proper divisors (892523968).

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

525012320 is a wasteful number, since it uses less digits than its factorization.

525012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468783 (or 468775 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 525012320 is about 22913.1473176428. The cubic root of 525012320 is about 806.7206332616.

Adding to 525012320 its reverse (23210525), we get a palindrome (548222845).

The spelling of 525012320 in words is "five hundred twenty-five million, twelve thousand, three hundred twenty".