525362820 has 96 divisors (see below), whose sum is σ = 1515980928. Its totient is φ = 135862272.

The previous prime is 525362809. The next prime is 525362833. The reversal of 525362820 is 28263525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404412 + ... + 405708.

It is an arithmetic number, because the mean of its divisors is an integer number (15791468).

Almost surely, 2^525362820 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 525362820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757990464).

525362820 is an abundant number, since it is smaller than the sum of its proper divisors (990618108).

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

525362820 is a wasteful number, since it uses less digits than its factorization.

525362820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 525362820 is about 22920.7944888479. The cubic root of 525362820 is about 806.9001164672.

The spelling of 525362820 in words is "five hundred twenty-five million, three hundred sixty-two thousand, eight hundred twenty".