16412569 has 2 divisors, whose sum is σ = 16412570. Its totient is φ = 16412568.

The previous prime is 16412567. The next prime is 16412629. The reversal of 16412569 is 96521461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14722569 + 1690000 = 3837^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 16412569 - 2¹ = 16412567 is a prime.

It is a super-2 number, since 2×16412569² = 538744842359522, which contains 22 as substring.

Together with 16412567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16412567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8206284 + 8206285.

It is an arithmetic number, because the mean of its divisors is an integer number (8206285).

Almost surely, 2^16412569 is an apocalyptic number.

It is an amenable number.

16412569 is a deficient number, since it is larger than the sum of its proper divisors (1).

16412569 is an equidigital number, since it uses as much as digits as its factorization.

16412569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 16412569 is about 4051.2428957050. The cubic root of 16412569 is about 254.1317077900.

The spelling of 16412569 in words is "sixteen million, four hundred twelve thousand, five hundred sixty-nine".