99502213 has 4 divisors (see below), whose sum is σ = 102191500. Its totient is φ = 96812928.

The previous prime is 99502211. The next prime is 99502217. The reversal of 99502213 is 31220599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31220599 = 433 ⋅72103.

It can be written as a sum of positive squares in 2 ways, for example, as 74080449 + 25421764 = 8607^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 99502213 - 2¹ = 99502211 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 (99502211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344588 + ... + 1344661.

It is an arithmetic number, because the mean of its divisors is an integer number (25547875).

Almost surely, 2^99502213 is an apocalyptic number.

It is an amenable number.

99502213 is a deficient number, since it is larger than the sum of its proper divisors (2689287).

99502213 is a wasteful number, since it uses less digits than its factorization.

99502213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689286.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 99502213 is about 9975.0795986799. The cubic root of 99502213 is about 463.3874276795.

The spelling of 99502213 in words is "ninety-nine million, five hundred two thousand, two hundred thirteen".