99994253 has 2 divisors, whose sum is σ = 99994254. Its totient is φ = 99994252.

The previous prime is 99994231. The next prime is 99994267. The reversal of 99994253 is 35249999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93450889 + 6543364 = 9667^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 99994253 - 2⁸ = 99993997 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 (99994273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997126 + 49997127.

It is an arithmetic number, because the mean of its divisors is an integer number (49997127).

Almost surely, 2^99994253 is an apocalyptic number.

It is an amenable number.

99994253 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994253 is an equidigital number, since it uses as much as digits as its factorization.

99994253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 50.

The square root of 99994253 is about 9999.7126458714. The cubic root of 99994253 is about 464.1499914539.

The spelling of 99994253 in words is "ninety-nine million, nine hundred ninety-four thousand, two hundred fifty-three".