525492403828 has 36 divisors (see below), whose sum is σ = 1070122811940. Its totient is φ = 225133047552.

The previous prime is 525492403757. The next prime is 525492403829. The reversal of 525492403828 is 828304294525.

It can be written as a sum of positive squares in 2 ways, for example, as 348598138084 + 176894265744 = 590422^2 + 420588^2 .

It is a super-2 number, since 2×525492403828² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525492403829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105078 + ... + 1030546.

It is an arithmetic number, because the mean of its divisors is an integer number (29725633665).

Almost surely, 2^525492403828 is an apocalyptic number.

It is an amenable number.

525492403828 is an abundant number, since it is smaller than the sum of its proper divisors (544630408112).

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

525492403828 is a wasteful number, since it uses less digits than its factorization.

525492403828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928384 (or 928375 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 525492403828 in words is "five hundred twenty-five billion, four hundred ninety-two million, four hundred three thousand, eight hundred twenty-eight".