107491613 has 2 divisors, whose sum is σ = 107491614. Its totient is φ = 107491612.

The previous prime is 107491609. The next prime is 107491621. The reversal of 107491613 is 316194701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67207204 + 40284409 = 8198^2 + 6347^2 .

It is a cyclic number.

It is not a de Polignac number, because 107491613 - 2² = 107491609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107491613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107491633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53745806 + 53745807.

It is an arithmetic number, because the mean of its divisors is an integer number (53745807).

Almost surely, 2^107491613 is an apocalyptic number.

It is an amenable number.

107491613 is a deficient number, since it is larger than the sum of its proper divisors (1).

107491613 is an equidigital number, since it uses as much as digits as its factorization.

107491613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 107491613 is about 10367.8162117198. The cubic root of 107491613 is about 475.4719047915.

The spelling of 107491613 in words is "one hundred seven million, four hundred ninety-one thousand, six hundred thirteen".