507161647 has 4 divisors (see below), whose sum is σ = 507301240. Its totient is φ = 507022056.

The previous prime is 507161639. The next prime is 507161671. The reversal of 507161647 is 746161705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 507161647 - 2³ = 507161639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507161617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64197 + ... + 71662.

It is an arithmetic number, because the mean of its divisors is an integer number (126825310).

Almost surely, 2^507161647 is an apocalyptic number.

507161647 is a deficient number, since it is larger than the sum of its proper divisors (139593).

507161647 is a wasteful number, since it uses less digits than its factorization.

507161647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139592.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 507161647 is about 22520.2497099832. The cubic root of 507161647 is about 797.4720446957.

The spelling of 507161647 in words is "five hundred seven million, one hundred sixty-one thousand, six hundred forty-seven".