99289313 has 2 divisors, whose sum is σ = 99289314. Its totient is φ = 99289312.

The previous prime is 99289291. The next prime is 99289339. The reversal of 99289313 is 31398299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99042304 + 247009 = 9952^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 99289313 - 2¹² = 99285217 is a prime.

It is not a weakly prime, because it can be changed into another prime (99289343) 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 as a sum of consecutive naturals, namely, 49644656 + 49644657.

It is an arithmetic number, because the mean of its divisors is an integer number (49644657).

Almost surely, 2^99289313 is an apocalyptic number.

It is an amenable number.

99289313 is a deficient number, since it is larger than the sum of its proper divisors (1).

99289313 is an equidigital number, since it uses as much as digits as its factorization.

99289313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The square root of 99289313 is about 9964.4022901527. The cubic root of 99289313 is about 463.0566959075.

The spelling of 99289313 in words is "ninety-nine million, two hundred eighty-nine thousand, three hundred thirteen".