99125501 has 2 divisors, whose sum is σ = 99125502. Its totient is φ = 99125500.

The previous prime is 99125483. The next prime is 99125503. The reversal of 99125501 is 10552199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 48288601 = 7130^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 99125501 - 2⁶ = 99125437 is a prime.

It is a Sophie Germain prime.

Together with 99125503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99125503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49562750 + 49562751.

It is an arithmetic number, because the mean of its divisors is an integer number (49562751).

Almost surely, 2^99125501 is an apocalyptic number.

It is an amenable number.

99125501 is a deficient number, since it is larger than the sum of its proper divisors (1).

99125501 is an equidigital number, since it uses as much as digits as its factorization.

99125501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 99125501 is about 9956.1790361564. The cubic root of 99125501 is about 462.8018984361.

The spelling of 99125501 in words is "ninety-nine million, one hundred twenty-five thousand, five hundred one".