99213563 has 8 divisors (see below), whose sum is σ = 102086880. Its totient is φ = 96361920.

The previous prime is 99213557. The next prime is 99213571. The reversal of 99213563 is 36531299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99213563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99213593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (12760860).

Almost surely, 2^99213563 is an apocalyptic number.

99213563 is a deficient number, since it is larger than the sum of its proper divisors (2873317).

99213563 is a wasteful number, since it uses less digits than its factorization.

99213563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837.

The product of its digits is 43740, while the sum is 38.

The square root of 99213563 is about 9960.6005341044. The cubic root of 99213563 is about 462.9389072363.

The spelling of 99213563 in words is "ninety-nine million, two hundred thirteen thousand, five hundred sixty-three".