507523897 has 4 divisors (see below), whose sum is σ = 507573220. Its totient is φ = 507474576.

The previous prime is 507523879. The next prime is 507523901. The reversal of 507523897 is 798325705.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 204032656 + 303491241 = 14284^2 + 17421^2 .

It is a cyclic number.

It is not a de Polignac number, because 507523897 - 2¹¹ = 507521849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507523817) 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 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 31975.

It is an arithmetic number, because the mean of its divisors is an integer number (126893305).

Almost surely, 2^507523897 is an apocalyptic number.

It is an amenable number.

507523897 is a deficient number, since it is larger than the sum of its proper divisors (49323).

507523897 is a wasteful number, since it uses less digits than its factorization.

507523897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 507523897 is about 22528.2910359397. The cubic root of 507523897 is about 797.6618694434.

The spelling of 507523897 in words is "five hundred seven million, five hundred twenty-three thousand, eight hundred ninety-seven".