99965263 has 2 divisors, whose sum is σ = 99965264. Its totient is φ = 99965262.

The previous prime is 99965221. The next prime is 99965267. The reversal of 99965263 is 36256999.

It is a strong prime.

It is an emirp because it is prime and its reverse (36256999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99965263 - 2⁹ = 99964751 is a prime.

It is a super-4 number, since 4×99965263⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99965267) 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, 49982631 + 49982632.

It is an arithmetic number, because the mean of its divisors is an integer number (49982632).

Almost surely, 2^99965263 is an apocalyptic number.

99965263 is a deficient number, since it is larger than the sum of its proper divisors (1).

99965263 is an equidigital number, since it uses as much as digits as its factorization.

99965263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 49.

The square root of 99965263 is about 9998.2629991414. The cubic root of 99965263 is about 464.1051321798.

The spelling of 99965263 in words is "ninety-nine million, nine hundred sixty-five thousand, two hundred sixty-three".