16397033 has 2 divisors, whose sum is σ = 16397034.
Its totient is φ = 16397032.
The previous prime is 16397011. The next prime is 16397039. The reversal of 16397033 is 33079361.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14077504 + 2319529 = 3752^2 + 1523^2
It is a cyclic number.
It is not a de Polignac number, because 16397033 - 26 = 16396969 is a prime.
It is not a weakly prime, because it can be changed into another prime (16397039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198516 + 8198517.
It is an arithmetic number, because the mean of its divisors is an integer number (8198517).
Almost surely, 216397033 is an apocalyptic number.
It is an amenable number.
16397033 is a deficient number, since it is larger than the sum of its proper divisors (1).
16397033 is an equidigital number, since it uses as much as digits as its factorization.
16397033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10206, while the sum is 32.
The square root of 16397033 is about 4049.3250054793.
The cubic root of 16397033 is about 254.0514961619.
The spelling of 16397033 in words is "sixteen million, three hundred ninety-seven thousand, thirty-three".