961338263 has 2 divisors, whose sum is σ = 961338264. Its totient is φ = 961338262.

The previous prime is 961338251. The next prime is 961338277. The reversal of 961338263 is 362833169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961338263 - 2⁴ = 961338247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961338263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961338233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480669131 + 480669132.

It is an arithmetic number, because the mean of its divisors is an integer number (480669132).

Almost surely, 2^961338263 is an apocalyptic number.

961338263 is a deficient number, since it is larger than the sum of its proper divisors (1).

961338263 is an equidigital number, since it uses as much as digits as its factorization.

961338263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 961338263 is about 31005.4553748207. The cubic root of 961338263 is about 986.9430113884.

The spelling of 961338263 in words is "nine hundred sixty-one million, three hundred thirty-eight thousand, two hundred sixty-three".