16797497 has 2 divisors, whose sum is σ = 16797498. Its totient is φ = 16797496.

The previous prime is 16797493. The next prime is 16797541. The reversal of 16797497 is 79479761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9339136 + 7458361 = 3056^2 + 2731^2 .

It is an emirp because it is prime and its reverse (79479761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16797497 - 2² = 16797493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16797491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8398748 + 8398749.

It is an arithmetic number, because the mean of its divisors is an integer number (8398749).

Almost surely, 2^16797497 is an apocalyptic number.

It is an amenable number.

16797497 is a deficient number, since it is larger than the sum of its proper divisors (1).

16797497 is an equidigital number, since it uses as much as digits as its factorization.

16797497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 16797497 is about 4098.4749602749. The cubic root of 16797497 is about 256.1031129624.

The spelling of 16797497 in words is "sixteen million, seven hundred ninety-seven thousand, four hundred ninety-seven".