16047497 has 2 divisors, whose sum is σ = 16047498. Its totient is φ = 16047496.

The previous prime is 16047487. The next prime is 16047509. The reversal of 16047497 is 79474061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9616201 + 6431296 = 3101^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 16047497 - 2⁴ = 16047481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16047497.

It is not a weakly prime, because it can be changed into another prime (16047407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8023748 + 8023749.

It is an arithmetic number, because the mean of its divisors is an integer number (8023749).

Almost surely, 2^16047497 is an apocalyptic number.

It is an amenable number.

16047497 is a deficient number, since it is larger than the sum of its proper divisors (1).

16047497 is an equidigital number, since it uses as much as digits as its factorization.

16047497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 16047497 is about 4005.9327253462. The cubic root of 16047497 is about 252.2333072798.

The spelling of 16047497 in words is "sixteen million, forty-seven thousand, four hundred ninety-seven".