99257459 has 32 divisors (see below), whose sum is σ = 122411520. Its totient is φ = 78688512.

The previous prime is 99257453. The next prime is 99257507. The reversal of 99257459 is 95475299.

It is a happy number.

It is not a de Polignac number, because 99257459 - 2²⁰ = 98208883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99257453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724439 + ... + 724575.

It is an arithmetic number, because the mean of its divisors is an integer number (3825360).

Almost surely, 2^99257459 is an apocalyptic number.

99257459 is a deficient number, since it is larger than the sum of its proper divisors (23154061).

99257459 is a wasteful number, since it uses less digits than its factorization.

99257459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 1020600, while the sum is 50.

The square root of 99257459 is about 9962.8037720312. The cubic root of 99257459 is about 463.0071713238.

The spelling of 99257459 in words is "ninety-nine million, two hundred fifty-seven thousand, four hundred fifty-nine".