99751313 has 2 divisors, whose sum is σ = 99751314. Its totient is φ = 99751312.

The previous prime is 99751303. The next prime is 99751321. The reversal of 99751313 is 31315799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70677649 + 29073664 = 8407^2 + 5392^2 .

It is an emirp because it is prime and its reverse (31315799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99751313 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 (99751303) 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, 49875656 + 49875657.

It is an arithmetic number, because the mean of its divisors is an integer number (49875657).

Almost surely, 2^99751313 is an apocalyptic number.

It is an amenable number.

99751313 is a deficient number, since it is larger than the sum of its proper divisors (1).

99751313 is an equidigital number, since it uses as much as digits as its factorization.

99751313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 38.

The square root of 99751313 is about 9987.5579097195. The cubic root of 99751313 is about 463.7737963635.

The spelling of 99751313 in words is "ninety-nine million, seven hundred fifty-one thousand, three hundred thirteen".