1052163491 has 2 divisors, whose sum is σ = 1052163492. Its totient is φ = 1052163490.

The previous prime is 1052163433. The next prime is 1052163493. The reversal of 1052163491 is 1943612501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052163491 is a prime.

It is a super-2 number, since 2×1052163491² = 2214096023586614162, which contains 22 as substring.

Together with 1052163493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1052163493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526081745 + 526081746.

It is an arithmetic number, because the mean of its divisors is an integer number (526081746).

Almost surely, 2^1052163491 is an apocalyptic number.

1052163491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052163491 is an equidigital number, since it uses as much as digits as its factorization.

1052163491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1052163491 is about 32437.0697042751. The cubic root of 1052163491 is about 1017.0939618303.

Adding to 1052163491 its reverse (1943612501), we get a palindrome (2995775992).

The spelling of 1052163491 in words is "one billion, fifty-two million, one hundred sixty-three thousand, four hundred ninety-one".