99331517 has 4 divisors (see below), whose sum is σ = 99428160. Its totient is φ = 99234876.

The previous prime is 99331513. The next prime is 99331541. The reversal of 99331517 is 71513399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71513399 = 227 ⋅315037.

It is a cyclic number.

It is not a de Polignac number, because 99331517 - 2² = 99331513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99331511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46763 + ... + 48840.

It is an arithmetic number, because the mean of its divisors is an integer number (24857040).

Almost surely, 2^99331517 is an apocalyptic number.

It is an amenable number.

99331517 is a deficient number, since it is larger than the sum of its proper divisors (96643).

99331517 is a wasteful number, since it uses less digits than its factorization.

99331517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96642.

The product of its digits is 25515, while the sum is 38.

The square root of 99331517 is about 9966.5198038232. The cubic root of 99331517 is about 463.1222957050.

The spelling of 99331517 in words is "ninety-nine million, three hundred thirty-one thousand, five hundred seventeen".