16231273 has 2 divisors, whose sum is σ = 16231274. Its totient is φ = 16231272.

The previous prime is 16231217. The next prime is 16231279. The reversal of 16231273 is 37213261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10413529 + 5817744 = 3227^2 + 2412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16231273 is a prime.

It is not a weakly prime, because it can be changed into another prime (16231279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115636 + 8115637.

It is an arithmetic number, because the mean of its divisors is an integer number (8115637).

Almost surely, 2^16231273 is an apocalyptic number.

It is an amenable number.

16231273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16231273 is an equidigital number, since it uses as much as digits as its factorization.

16231273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 16231273 is about 4028.8054060726. The cubic root of 16231273 is about 253.1925138815.

The spelling of 16231273 in words is "sixteen million, two hundred thirty-one thousand, two hundred seventy-three".