1355772263 has 2 divisors, whose sum is σ = 1355772264. Its totient is φ = 1355772262.

The previous prime is 1355772247. The next prime is 1355772281. The reversal of 1355772263 is 3622775531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355772263 - 2⁴ = 1355772247 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355772263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355772203) 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, 677886131 + 677886132.

It is an arithmetic number, because the mean of its divisors is an integer number (677886132).

Almost surely, 2^1355772263 is an apocalyptic number.

1355772263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355772263 is an equidigital number, since it uses as much as digits as its factorization.

1355772263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 1355772263 is about 36820.8129052035. The cubic root of 1355772263 is about 1106.7824097605.

The spelling of 1355772263 in words is "one billion, three hundred fifty-five million, seven hundred seventy-two thousand, two hundred sixty-three".