1022053993 has 2 divisors, whose sum is σ = 1022053994. Its totient is φ = 1022053992.

The previous prime is 1022053951. The next prime is 1022054029. The reversal of 1022053993 is 3993502201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981756889 + 40297104 = 31333^2 + 6348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022053993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022053393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511026996 + 511026997.

It is an arithmetic number, because the mean of its divisors is an integer number (511026997).

Almost surely, 2^1022053993 is an apocalyptic number.

It is an amenable number.

1022053993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022053993 is an equidigital number, since it uses as much as digits as its factorization.

1022053993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 1022053993 is about 31969.5791808400. The cubic root of 1022053993 is about 1007.2979414874.

The spelling of 1022053993 in words is "one billion, twenty-two million, fifty-three thousand, nine hundred ninety-three".