99361237 has 2 divisors, whose sum is σ = 99361238. Its totient is φ = 99361236.

The previous prime is 99361187. The next prime is 99361267. The reversal of 99361237 is 73216399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60933636 + 38427601 = 7806^2 + 6199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99361237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99361237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99361267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49680618 + 49680619.

It is an arithmetic number, because the mean of its divisors is an integer number (49680619).

Almost surely, 2^99361237 is an apocalyptic number.

It is an amenable number.

99361237 is a deficient number, since it is larger than the sum of its proper divisors (1).

99361237 is an equidigital number, since it uses as much as digits as its factorization.

99361237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 99361237 is about 9968.0106841837. The cubic root of 99361237 is about 463.1684798452.

The spelling of 99361237 in words is "ninety-nine million, three hundred sixty-one thousand, two hundred thirty-seven".