99356513 has 2 divisors, whose sum is σ = 99356514. Its totient is φ = 99356512.

The previous prime is 99356473. The next prime is 99356539. The reversal of 99356513 is 31565399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 23892544 = 8687^2 + 4888^2 .

It is an emirp because it is prime and its reverse (31565399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99356513 - 2¹⁰ = 99355489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99356713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49678256 + 49678257.

It is an arithmetic number, because the mean of its divisors is an integer number (49678257).

Almost surely, 2^99356513 is an apocalyptic number.

It is an amenable number.

99356513 is a deficient number, since it is larger than the sum of its proper divisors (1).

99356513 is an equidigital number, since it uses as much as digits as its factorization.

99356513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350, while the sum is 41.

The square root of 99356513 is about 9967.7737233547. The cubic root of 99356513 is about 463.1611394824.

The spelling of 99356513 in words is "ninety-nine million, three hundred fifty-six thousand, five hundred thirteen".