99442253 has 2 divisors, whose sum is σ = 99442254. Its totient is φ = 99442252.

The previous prime is 99442249. The next prime is 99442283. The reversal of 99442253 is 35224499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93276964 + 6165289 = 9658^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 99442253 - 2² = 99442249 is a prime.

It is a Sophie Germain 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 (99442243) 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, 49721126 + 49721127.

It is an arithmetic number, because the mean of its divisors is an integer number (49721127).

Almost surely, 2^99442253 is an apocalyptic number.

It is an amenable number.

99442253 is a deficient number, since it is larger than the sum of its proper divisors (1).

99442253 is an equidigital number, since it uses as much as digits as its factorization.

99442253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 99442253 is about 9972.0736559654. The cubic root of 99442253 is about 463.2943299409.

The spelling of 99442253 in words is "ninety-nine million, four hundred forty-two thousand, two hundred fifty-three".