16452197 has 2 divisors, whose sum is σ = 16452198. Its totient is φ = 16452196.

The previous prime is 16452181. The next prime is 16452203. The reversal of 16452197 is 79125461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 564001 = 3986^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452197 - 2⁴ = 16452181 is a prime.

It is a super-2 number, since 2×16452197² = 541349572253618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16452097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226098 + 8226099.

It is an arithmetic number, because the mean of its divisors is an integer number (8226099).

Almost surely, 2^16452197 is an apocalyptic number.

It is an amenable number.

16452197 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452197 is an equidigital number, since it uses as much as digits as its factorization.

16452197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 16452197 is about 4056.1307917768. The cubic root of 16452197 is about 254.3360763026.

The spelling of 16452197 in words is "sixteen million, four hundred fifty-two thousand, one hundred ninety-seven".