16265749 has 2 divisors, whose sum is σ = 16265750. Its totient is φ = 16265748.

The previous prime is 16265707. The next prime is 16265771. The reversal of 16265749 is 94756261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 465124 = 3975^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 16265749 - 2⁷ = 16265621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16265789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8132874 + 8132875.

It is an arithmetic number, because the mean of its divisors is an integer number (8132875).

Almost surely, 2^16265749 is an apocalyptic number.

It is an amenable number.

16265749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16265749 is an equidigital number, since it uses as much as digits as its factorization.

16265749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 16265749 is about 4033.0818241142. The cubic root of 16265749 is about 253.3716514446.

The spelling of 16265749 in words is "sixteen million, two hundred sixty-five thousand, seven hundred forty-nine".