524563540 has 24 divisors (see below), whose sum is σ = 1102187520. Its totient is φ = 209710368.

The previous prime is 524563537. The next prime is 524563591. The reversal of 524563540 is 45365425.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 524563496 and 524563505.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36741 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (45924480).

Almost surely, 2^524563540 is an apocalyptic number.

It is an amenable number.

524563540 is an abundant number, since it is smaller than the sum of its proper divisors (577623980).

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

524563540 is a wasteful number, since it uses less digits than its factorization.

524563540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14391 (or 14389 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 524563540 is about 22903.3521563984. The cubic root of 524563540 is about 806.4907064084.

The spelling of 524563540 in words is "five hundred twenty-four million, five hundred sixty-three thousand, five hundred forty".