99725159 has 2 divisors, whose sum is σ = 99725160. Its totient is φ = 99725158.

The previous prime is 99725089. The next prime is 99725173. The reversal of 99725159 is 95152799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99725159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99725959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49862579 + 49862580.

It is an arithmetic number, because the mean of its divisors is an integer number (49862580).

Almost surely, 2^99725159 is an apocalyptic number.

99725159 is a deficient number, since it is larger than the sum of its proper divisors (1).

99725159 is an equidigital number, since it uses as much as digits as its factorization.

99725159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 47.

The square root of 99725159 is about 9986.2484948052. The cubic root of 99725159 is about 463.7332602216.

The spelling of 99725159 in words is "ninety-nine million, seven hundred twenty-five thousand, one hundred fifty-nine".