16972463 has 2 divisors, whose sum is σ = 16972464. Its totient is φ = 16972462.

The previous prime is 16972429. The next prime is 16972481. The reversal of 16972463 is 36427961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16972463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16972363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8486231 + 8486232.

It is an arithmetic number, because the mean of its divisors is an integer number (8486232).

Almost surely, 2^16972463 is an apocalyptic number.

16972463 is a deficient number, since it is larger than the sum of its proper divisors (1).

16972463 is an equidigital number, since it uses as much as digits as its factorization.

16972463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 16972463 is about 4119.7649204779. The cubic root of 16972463 is about 256.9892499553.

The spelling of 16972463 in words is "sixteen million, nine hundred seventy-two thousand, four hundred sixty-three".