99609151 has 2 divisors, whose sum is σ = 99609152. Its totient is φ = 99609150.

The previous prime is 99609127. The next prime is 99609163. The reversal of 99609151 is 15190699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99609151 - 2⁵ = 99609119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99669151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49804575 + 49804576.

It is an arithmetic number, because the mean of its divisors is an integer number (49804576).

Almost surely, 2^99609151 is an apocalyptic number.

99609151 is a deficient number, since it is larger than the sum of its proper divisors (1).

99609151 is an equidigital number, since it uses as much as digits as its factorization.

99609151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 99609151 is about 9980.4384172240. The cubic root of 99609151 is about 463.5533736806.

The spelling of 99609151 in words is "ninety-nine million, six hundred nine thousand, one hundred fifty-one".