99562901 has 2 divisors, whose sum is σ = 99562902. Its totient is φ = 99562900.

The previous prime is 99562891. The next prime is 99562909. The reversal of 99562901 is 10926599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 29170801 = 8390^2 + 5401^2 .

It is an emirp because it is prime and its reverse (10926599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99562901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99562909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49781450 + 49781451.

It is an arithmetic number, because the mean of its divisors is an integer number (49781451).

Almost surely, 2^99562901 is an apocalyptic number.

It is an amenable number.

99562901 is a deficient number, since it is larger than the sum of its proper divisors (1).

99562901 is an equidigital number, since it uses as much as digits as its factorization.

99562901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 99562901 is about 9978.1211157211. The cubic root of 99562901 is about 463.4816176810.

The spelling of 99562901 in words is "ninety-nine million, five hundred sixty-two thousand, nine hundred one".