16354243 has 2 divisors, whose sum is σ = 16354244. Its totient is φ = 16354242.

The previous prime is 16354213. The next prime is 16354253. The reversal of 16354243 is 34245361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16354243 is a prime.

It is a super-2 number, since 2×16354243² = 534922528206098, which contains 22 as substring.

It is equal to p_1052398 and since 16354243 and 1052398 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16354213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177121 + 8177122.

It is an arithmetic number, because the mean of its divisors is an integer number (8177122).

Almost surely, 2^16354243 is an apocalyptic number.

16354243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16354243 is an equidigital number, since it uses as much as digits as its factorization.

16354243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 16354243 is about 4044.0379572897. The cubic root of 16354243 is about 253.8303111560.

The spelling of 16354243 in words is "sixteen million, three hundred fifty-four thousand, two hundred forty-three".