99497 has 2 divisors, whose sum is σ = 99498. Its totient is φ = 99496.

The previous prime is 99487. The next prime is 99523. The reversal of 99497 is 79499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87616 + 11881 = 296^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 99497 - 2⁸ = 99241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99497.

It is not a weakly prime, because it can be changed into another prime (99487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49748 + 49749.

It is an arithmetic number, because the mean of its divisors is an integer number (49749).

2⁹⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

99497 is a deficient number, since it is larger than the sum of its proper divisors (1).

99497 is an equidigital number, since it uses as much as digits as its factorization.

99497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 38.

The square root of 99497 is about 315.4314505562. The cubic root of 99497 is about 46.3379335126.

The spelling of 99497 in words is "ninety-nine thousand, four hundred ninety-seven".