109327381 has 2 divisors, whose sum is σ = 109327382. Its totient is φ = 109327380.

The previous prime is 109327373. The next prime is 109327399. The reversal of 109327381 is 183723901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108347281 + 980100 = 10409^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 109327381 - 2³ = 109327373 is a prime.

It is a super-2 number, since 2×109327381² = 23904952472638322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109327301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54663690 + 54663691.

It is an arithmetic number, because the mean of its divisors is an integer number (54663691).

Almost surely, 2^109327381 is an apocalyptic number.

It is an amenable number.

109327381 is a deficient number, since it is larger than the sum of its proper divisors (1).

109327381 is an equidigital number, since it uses as much as digits as its factorization.

109327381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 109327381 is about 10455.9734601805. The cubic root of 109327381 is about 478.1633822890.

The spelling of 109327381 in words is "one hundred nine million, three hundred twenty-seven thousand, three hundred eighty-one".