16974131 has 2 divisors, whose sum is σ = 16974132. Its totient is φ = 16974130.

The previous prime is 16974119. The next prime is 16974173. The reversal of 16974131 is 13147961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16974131 - 2¹⁰ = 16973107 is a prime.

It is a super-2 number, since 2×16974131² = 576242246410322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16974031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8487065 + 8487066.

It is an arithmetic number, because the mean of its divisors is an integer number (8487066).

Almost surely, 2^16974131 is an apocalyptic number.

16974131 is a deficient number, since it is larger than the sum of its proper divisors (1).

16974131 is an equidigital number, since it uses as much as digits as its factorization.

16974131 is an evil number, because the sum of its binary digits is even.

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

The square root of 16974131 is about 4119.9673542396. The cubic root of 16974131 is about 256.9976683766.

The spelling of 16974131 in words is "sixteen million, nine hundred seventy-four thousand, one hundred thirty-one".