99247151 has 4 divisors (see below), whose sum is σ = 102448704. Its totient is φ = 96045600.

The previous prime is 99247123. The next prime is 99247171. The reversal of 99247151 is 15174299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99247151 - 2¹⁴ = 99230767 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 (99247121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600730 + ... + 1600791.

It is an arithmetic number, because the mean of its divisors is an integer number (25612176).

Almost surely, 2^99247151 is an apocalyptic number.

99247151 is a deficient number, since it is larger than the sum of its proper divisors (3201553).

99247151 is a wasteful number, since it uses less digits than its factorization.

99247151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201552.

The product of its digits is 22680, while the sum is 38.

The square root of 99247151 is about 9962.2864343483. The cubic root of 99247151 is about 462.9911428285.

The spelling of 99247151 in words is "ninety-nine million, two hundred forty-seven thousand, one hundred fifty-one".