507039705 has 24 divisors (see below), whose sum is σ = 930568392. Its totient is φ = 254513664.

The previous prime is 507039697. The next prime is 507039707. The reversal of 507039705 is 507930705.

It can be written as a sum of positive squares in 4 ways, for example, as 52838361 + 454201344 = 7269^2 + 21312^2 .

It is not a de Polignac number, because 507039705 - 2³ = 507039697 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 507039705.

It is not an unprimeable number, because it can be changed into a prime (507039707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330634 + ... + 332163.

It is an arithmetic number, because the mean of its divisors is an integer number (38773683).

Almost surely, 2^507039705 is an apocalyptic number.

It is an amenable number.

507039705 is a deficient number, since it is larger than the sum of its proper divisors (423528687).

507039705 is a wasteful number, since it uses less digits than its factorization.

507039705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662825 (or 662822 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 507039705 is about 22517.5421616126. The cubic root of 507039705 is about 797.4081248183.

The spelling of 507039705 in words is "five hundred seven million, thirty-nine thousand, seven hundred five".