508513117 has 8 divisors (see below), whose sum is σ = 582885056. Its totient is φ = 434572992.

The previous prime is 508513081. The next prime is 508513139. The reversal of 508513117 is 711315805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 508513117 - 2⁷ = 508512989 is a prime.

It is a super-2 number, since 2×508513117² = 517171180322111378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508513157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105423 + ... + 110140.

It is an arithmetic number, because the mean of its divisors is an integer number (72860632).

Almost surely, 2^508513117 is an apocalyptic number.

It is an amenable number.

508513117 is a deficient number, since it is larger than the sum of its proper divisors (74371939).

508513117 is a wasteful number, since it uses less digits than its factorization.

508513117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215907.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 508513117 is about 22550.2354089708. The cubic root of 508513117 is about 798.1797767293.

The spelling of 508513117 in words is "five hundred eight million, five hundred thirteen thousand, one hundred seventeen".