117151613 has 2 divisors, whose sum is σ = 117151614. Its totient is φ = 117151612.

The previous prime is 117151609. The next prime is 117151649. The reversal of 117151613 is 316151711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 25030009 = 9598^2 + 5003^2 .

It is a cyclic number.

It is not a de Polignac number, because 117151613 - 2² = 117151609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117151693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58575806 + 58575807.

It is an arithmetic number, because the mean of its divisors is an integer number (58575807).

Almost surely, 2^117151613 is an apocalyptic number.

It is an amenable number.

117151613 is a deficient number, since it is larger than the sum of its proper divisors (1).

117151613 is an equidigital number, since it uses as much as digits as its factorization.

117151613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 26.

The square root of 117151613 is about 10823.6598708570. The cubic root of 117151613 is about 489.3084970310.

The spelling of 117151613 in words is "one hundred seventeen million, one hundred fifty-one thousand, six hundred thirteen".