99607331 has 2 divisors, whose sum is σ = 99607332. Its totient is φ = 99607330.

The previous prime is 99607303. The next prime is 99607349. The reversal of 99607331 is 13370699.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99607331 is a prime.

It is a super-2 number, since 2×99607331² = 19843240777887122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99607351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49803665 + 49803666.

It is an arithmetic number, because the mean of its divisors is an integer number (49803666).

Almost surely, 2^99607331 is an apocalyptic number.

99607331 is a deficient number, since it is larger than the sum of its proper divisors (1).

99607331 is an equidigital number, since it uses as much as digits as its factorization.

99607331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 99607331 is about 9980.3472384482. The cubic root of 99607331 is about 463.5505504049.

The spelling of 99607331 in words is "ninety-nine million, six hundred seven thousand, three hundred thirty-one".