107909381 has 2 divisors, whose sum is σ = 107909382. Its totient is φ = 107909380.

The previous prime is 107909371. The next prime is 107909383. The reversal of 107909381 is 183909701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98704225 + 9205156 = 9935^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 107909381 - 2²² = 103715077 is a prime.

It is a super-2 number, since 2×107909381² = 23288869015606322, which contains 22 as substring.

Together with 107909383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107909383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53954690 + 53954691.

It is an arithmetic number, because the mean of its divisors is an integer number (53954691).

Almost surely, 2^107909381 is an apocalyptic number.

It is an amenable number.

107909381 is a deficient number, since it is larger than the sum of its proper divisors (1).

107909381 is an equidigital number, since it uses as much as digits as its factorization.

107909381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 107909381 is about 10387.9440217976. The cubic root of 107909381 is about 476.0870850835.

The spelling of 107909381 in words is "one hundred seven million, nine hundred nine thousand, three hundred eighty-one".