509520536 has 32 divisors (see below), whose sum is σ = 1099815840. Its totient is φ = 216768768.

The previous prime is 509520523. The next prime is 509520551. The reversal of 509520536 is 635025905.

It is a super-2 number, since 2×509520536² = 519222353211454592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 509520496 and 509520505.

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, 25535 + ... + 40878.

It is an arithmetic number, because the mean of its divisors is an integer number (34369245).

Almost surely, 2^509520536 is an apocalyptic number.

509520536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

509520536 is an abundant number, since it is smaller than the sum of its proper divisors (590295304).

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

509520536 is a wasteful number, since it uses less digits than its factorization.

509520536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66563 (or 66559 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 509520536 is about 22572.5615737337. The cubic root of 509520536 is about 798.7065222713.

The spelling of 509520536 in words is "five hundred nine million, five hundred twenty thousand, five hundred thirty-six".