117502513 has 2 divisors, whose sum is σ = 117502514. Its totient is φ = 117502512.

The previous prime is 117502501. The next prime is 117502543. The reversal of 117502513 is 315205711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76440049 + 41062464 = 8743^2 + 6408^2 .

It is a cyclic number.

It is not a de Polignac number, because 117502513 - 2⁹ = 117502001 is a prime.

It is a super-2 number, since 2×117502513² = 27613681122630338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117502543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58751256 + 58751257.

It is an arithmetic number, because the mean of its divisors is an integer number (58751257).

Almost surely, 2^117502513 is an apocalyptic number.

It is an amenable number.

117502513 is a deficient number, since it is larger than the sum of its proper divisors (1).

117502513 is an equidigital number, since it uses as much as digits as its factorization.

117502513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 117502513 is about 10839.8576097659. The cubic root of 117502513 is about 489.7965461058.

The spelling of 117502513 in words is "one hundred seventeen million, five hundred two thousand, five hundred thirteen".