17113381 has 2 divisors, whose sum is σ = 17113382. Its totient is φ = 17113380.

The previous prime is 17113331. The next prime is 17113391. The reversal of 17113381 is 18331171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11189025 + 5924356 = 3345^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 17113381 - 2⁷ = 17113253 is a prime.

It is a super-2 number, since 2×17113381² = 585735618502322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17113301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8556690 + 8556691.

It is an arithmetic number, because the mean of its divisors is an integer number (8556691).

Almost surely, 2^17113381 is an apocalyptic number.

It is an amenable number.

17113381 is a deficient number, since it is larger than the sum of its proper divisors (1).

17113381 is an equidigital number, since it uses as much as digits as its factorization.

17113381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 25.

The square root of 17113381 is about 4136.8322421873. The cubic root of 17113381 is about 257.6985291482.

The spelling of 17113381 in words is "seventeen million, one hundred thirteen thousand, three hundred eighty-one".