99587149 has 2 divisors, whose sum is σ = 99587150. Its totient is φ = 99587148.

The previous prime is 99587123. The next prime is 99587153. The reversal of 99587149 is 94178599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 30580900 = 8307^2 + 5530^2 .

It is a cyclic number.

It is not a de Polignac number, because 99587149 - 2⁷ = 99587021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99587096 and 99587105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99587119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49793574 + 49793575.

It is an arithmetic number, because the mean of its divisors is an integer number (49793575).

Almost surely, 2^99587149 is an apocalyptic number.

It is an amenable number.

99587149 is a deficient number, since it is larger than the sum of its proper divisors (1).

99587149 is an equidigital number, since it uses as much as digits as its factorization.

99587149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 52.

The square root of 99587149 is about 9979.3361001622. The cubic root of 99587149 is about 463.5192407646.

The spelling of 99587149 in words is "ninety-nine million, five hundred eighty-seven thousand, one hundred forty-nine".