99937241 has 2 divisors, whose sum is σ = 99937242. Its totient is φ = 99937240.

The previous prime is 99937199. The next prime is 99937261. The reversal of 99937241 is 14273999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87965641 + 11971600 = 9379^2 + 3460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99937241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99937192 and 99937201.

It is not a weakly prime, because it can be changed into another prime (99937261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49968620 + 49968621.

It is an arithmetic number, because the mean of its divisors is an integer number (49968621).

Almost surely, 2^99937241 is an apocalyptic number.

It is an amenable number.

99937241 is a deficient number, since it is larger than the sum of its proper divisors (1).

99937241 is an equidigital number, since it uses as much as digits as its factorization.

99937241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 99937241 is about 9996.8615575089. The cubic root of 99937241 is about 464.0617625499.

The spelling of 99937241 in words is "ninety-nine million, nine hundred thirty-seven thousand, two hundred forty-one".