99913241 has 2 divisors, whose sum is σ = 99913242. Its totient is φ = 99913240.

The previous prime is 99913223. The next prime is 99913243. The reversal of 99913241 is 14231999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 31685641 = 8260^2 + 5629^2 .

It is an emirp because it is prime and its reverse (14231999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99913241 - 2¹⁰ = 99912217 is a prime.

Together with 99913243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99913195 and 99913204.

It is not a weakly prime, because it can be changed into another prime (99913243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956620 + 49956621.

It is an arithmetic number, because the mean of its divisors is an integer number (49956621).

Almost surely, 2^99913241 is an apocalyptic number.

It is an amenable number.

99913241 is a deficient number, since it is larger than the sum of its proper divisors (1).

99913241 is an equidigital number, since it uses as much as digits as its factorization.

99913241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 38.

The square root of 99913241 is about 9995.6611087011. The cubic root of 99913241 is about 464.0246113209.

The spelling of 99913241 in words is "ninety-nine million, nine hundred thirteen thousand, two hundred forty-one".