99833257 has 2 divisors, whose sum is σ = 99833258. Its totient is φ = 99833256.

The previous prime is 99833249. The next prime is 99833263. The reversal of 99833257 is 75233899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94887081 + 4946176 = 9741^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 99833257 - 2³ = 99833249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99833287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49916628 + 49916629.

It is an arithmetic number, because the mean of its divisors is an integer number (49916629).

Almost surely, 2^99833257 is an apocalyptic number.

It is an amenable number.

99833257 is a deficient number, since it is larger than the sum of its proper divisors (1).

99833257 is an equidigital number, since it uses as much as digits as its factorization.

99833257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 99833257 is about 9991.6593716960. The cubic root of 99833257 is about 463.9007556892.

The spelling of 99833257 in words is "ninety-nine million, eight hundred thirty-three thousand, two hundred fifty-seven".