107391517 has 2 divisors, whose sum is σ = 107391518. Its totient is φ = 107391516.

The previous prime is 107391497. The next prime is 107391523. The reversal of 107391517 is 715193701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105144516 + 2247001 = 10254^2 + 1499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107391517 is a prime.

It is a super-2 number, since 2×107391517² = 23065875847122578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107392517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53695758 + 53695759.

It is an arithmetic number, because the mean of its divisors is an integer number (53695759).

Almost surely, 2^107391517 is an apocalyptic number.

It is an amenable number.

107391517 is a deficient number, since it is larger than the sum of its proper divisors (1).

107391517 is an equidigital number, since it uses as much as digits as its factorization.

107391517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 107391517 is about 10362.9878413515. The cubic root of 107391517 is about 475.3242727581.

The spelling of 107391517 in words is "one hundred seven million, three hundred ninety-one thousand, five hundred seventeen".