117307493 has 2 divisors, whose sum is σ = 117307494. Its totient is φ = 117307492.

The previous prime is 117307459. The next prime is 117307507. The reversal of 117307493 is 394703711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 13410244 = 10193^2 + 3662^2 .

It is a cyclic number.

It is not a de Polignac number, because 117307493 - 2⁸ = 117307237 is a prime.

It is a super-2 number, since 2×117307493² = 27522095827890098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117307093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58653746 + 58653747.

It is an arithmetic number, because the mean of its divisors is an integer number (58653747).

Almost surely, 2^117307493 is an apocalyptic number.

It is an amenable number.

117307493 is a deficient number, since it is larger than the sum of its proper divisors (1).

117307493 is an equidigital number, since it uses as much as digits as its factorization.

117307493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 117307493 is about 10830.8583685689. The cubic root of 117307493 is about 489.5254227798.

The spelling of 117307493 in words is "one hundred seventeen million, three hundred seven thousand, four hundred ninety-three".