1165063001 has 2 divisors, whose sum is σ = 1165063002. Its totient is φ = 1165063000.

The previous prime is 1165062979. The next prime is 1165063019. The reversal of 1165063001 is 1003605611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162810000 + 2253001 = 34100^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165063001 - 2⁶ = 1165062937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165063021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582531500 + 582531501.

It is an arithmetic number, because the mean of its divisors is an integer number (582531501).

Almost surely, 2^1165063001 is an apocalyptic number.

It is an amenable number.

1165063001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165063001 is an equidigital number, since it uses as much as digits as its factorization.

1165063001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1165063001 is about 34133.0192189323. The cubic root of 1165063001 is about 1052.2440294317.

Adding to 1165063001 its reverse (1003605611), we get a palindrome (2168668612).

The spelling of 1165063001 in words is "one billion, one hundred sixty-five million, sixty-three thousand, one".