99651313 has 2 divisors, whose sum is σ = 99651314. Its totient is φ = 99651312.

The previous prime is 99651283. The next prime is 99651353. The reversal of 99651313 is 31315699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 37051569 = 7912^2 + 6087^2 .

It is an emirp because it is prime and its reverse (31315699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99651313 - 2¹³ = 99643121 is a prime.

It is not a weakly prime, because it can be changed into another prime (99651353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49825656 + 49825657.

It is an arithmetic number, because the mean of its divisors is an integer number (49825657).

Almost surely, 2^99651313 is an apocalyptic number.

It is an amenable number.

99651313 is a deficient number, since it is larger than the sum of its proper divisors (1).

99651313 is an equidigital number, since it uses as much as digits as its factorization.

99651313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 37.

The square root of 99651313 is about 9982.5504256177. The cubic root of 99651313 is about 463.6187678746.

The spelling of 99651313 in words is "ninety-nine million, six hundred fifty-one thousand, three hundred thirteen".