17313481 has 2 divisors, whose sum is σ = 17313482. Its totient is φ = 17313480.

The previous prime is 17313479. The next prime is 17313487. The reversal of 17313481 is 18431371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16281225 + 1032256 = 4035^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 17313481 - 2¹ = 17313479 is a prime.

It is a super-2 number, since 2×17313481² = 599513248674722, which contains 22 as substring.

Together with 17313479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (17313487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656740 + 8656741.

It is an arithmetic number, because the mean of its divisors is an integer number (8656741).

Almost surely, 2^17313481 is an apocalyptic number.

It is an amenable number.

17313481 is a deficient number, since it is larger than the sum of its proper divisors (1).

17313481 is an equidigital number, since it uses as much as digits as its factorization.

17313481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 17313481 is about 4160.9471277583. The cubic root of 17313481 is about 258.6990287550.

The spelling of 17313481 in words is "seventeen million, three hundred thirteen thousand, four hundred eighty-one".