1162255993 has 2 divisors, whose sum is σ = 1162255994. Its totient is φ = 1162255992.

The previous prime is 1162255957. The next prime is 1162256021. The reversal of 1162255993 is 3995522611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048982544 + 113273449 = 32388^2 + 10643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162255993 - 2¹⁷ = 1162124921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162255933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581127996 + 581127997.

It is an arithmetic number, because the mean of its divisors is an integer number (581127997).

Almost surely, 2^1162255993 is an apocalyptic number.

It is an amenable number.

1162255993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162255993 is an equidigital number, since it uses as much as digits as its factorization.

1162255993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 1162255993 is about 34091.8757624159. The cubic root of 1162255993 is about 1051.3982861294.

The spelling of 1162255993 in words is "one billion, one hundred sixty-two million, two hundred fifty-five thousand, nine hundred ninety-three".