117501913 has 2 divisors, whose sum is σ = 117501914. Its totient is φ = 117501912.

The previous prime is 117501907. The next prime is 117501919. The reversal of 117501913 is 319105711.

It is a balanced prime because it is at equal distance from previous prime (117501907) and next prime (117501919).

It can be written as a sum of positive squares in only one way, i.e., 96589584 + 20912329 = 9828^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 117501913 - 2⁹ = 117501401 is a prime.

It is not a weakly prime, because it can be changed into another prime (117501919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58750956 + 58750957.

It is an arithmetic number, because the mean of its divisors is an integer number (58750957).

Almost surely, 2^117501913 is an apocalyptic number.

It is an amenable number.

117501913 is a deficient number, since it is larger than the sum of its proper divisors (1).

117501913 is an equidigital number, since it uses as much as digits as its factorization.

117501913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 117501913 is about 10839.8299340903. The cubic root of 117501913 is about 489.7957124259.

The spelling of 117501913 in words is "one hundred seventeen million, five hundred one thousand, nine hundred thirteen".