99630361 has 2 divisors, whose sum is σ = 99630362. Its totient is φ = 99630360.

The previous prime is 99630331. The next prime is 99630371. The reversal of 99630361 is 16303699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99620361 + 10000 = 9981^2 + 100^2 .

It is an emirp because it is prime and its reverse (16303699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99630361 - 2⁵ = 99630329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99630361.

It is not a weakly prime, because it can be changed into another prime (99630331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49815180 + 49815181.

It is an arithmetic number, because the mean of its divisors is an integer number (49815181).

Almost surely, 2^99630361 is an apocalyptic number.

It is an amenable number.

99630361 is a deficient number, since it is larger than the sum of its proper divisors (1).

99630361 is an equidigital number, since it uses as much as digits as its factorization.

99630361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 99630361 is about 9981.5009392375. The cubic root of 99630361 is about 463.5862731655.

The spelling of 99630361 in words is "ninety-nine million, six hundred thirty thousand, three hundred sixty-one".