959998243 has 2 divisors, whose sum is σ = 959998244. Its totient is φ = 959998242.

The previous prime is 959998229. The next prime is 959998271. The reversal of 959998243 is 342899959.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 959998243 - 2¹⁷ = 959867171 is a prime.

It is not a weakly prime, because it can be changed into another prime (959998343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479999121 + 479999122.

It is an arithmetic number, because the mean of its divisors is an integer number (479999122).

Almost surely, 2^959998243 is an apocalyptic number.

959998243 is a deficient number, since it is larger than the sum of its proper divisors (1).

959998243 is an equidigital number, since it uses as much as digits as its factorization.

959998243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 58.

The square root of 959998243 is about 30983.8384161808. The cubic root of 959998243 is about 986.4842279076.

The spelling of 959998243 in words is "nine hundred fifty-nine million, nine hundred ninety-eight thousand, two hundred forty-three".