507536865 has 24 divisors (see below), whose sum is σ = 959707008. Its totient is φ = 246078240.

The previous prime is 507536863. The next prime is 507536899. The reversal of 507536865 is 568635705.

507536865 is a `hidden beast` number, since 50 + 7 + 536 + 8 + 65 = 666.

It is not a de Polignac number, because 507536865 - 2¹ = 507536863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 507536865.

It is not an unprimeable number, because it can be changed into a prime (507536863) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 512169 + ... + 513158.

It is an arithmetic number, because the mean of its divisors is an integer number (39987792).

Almost surely, 2^507536865 is an apocalyptic number.

507536865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

507536865 is a deficient number, since it is larger than the sum of its proper divisors (452170143).

507536865 is a wasteful number, since it uses less digits than its factorization.

507536865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025349 (or 1025346 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 507536865 is about 22528.5788499852. The cubic root of 507536865 is about 797.6686632063.

The spelling of 507536865 in words is "five hundred seven million, five hundred thirty-six thousand, eight hundred sixty-five".