99052813 has 8 divisors (see below), whose sum is σ = 101108088. Its totient is φ = 97004544.

The previous prime is 99052801. The next prime is 99052841. The reversal of 99052813 is 31825099.

99052813 = 7037² + 7038².

It can be written as a sum of positive squares in 4 ways, for example, as 5098564 + 93954249 = 2258^2 + 9693^2 .

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-99052813 is a prime.

It is a super-2 number, since 2×99052813² = 19622919526425938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99052873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34281 + ... + 37057.

It is an arithmetic number, because the mean of its divisors is an integer number (12638511).

Almost surely, 2^99052813 is an apocalyptic number.

99052813 is the 7038-th centered square number.

It is an amenable number.

99052813 is a deficient number, since it is larger than the sum of its proper divisors (2055275).

99052813 is a wasteful number, since it uses less digits than its factorization.

99052813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 99052813 is about 9952.5279703199. The cubic root of 99052813 is about 462.6887476992.

The spelling of 99052813 in words is "ninety-nine million, fifty-two thousand, eight hundred thirteen".