1164534257 has 2 divisors, whose sum is σ = 1164534258. Its totient is φ = 1164534256.

The previous prime is 1164534209. The next prime is 1164534277. The reversal of 1164534257 is 7524354611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131918736 + 32615521 = 33644^2 + 5711^2 .

It is an emirp because it is prime and its reverse (7524354611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1164534257 - 2⁸ = 1164534001 is a prime.

It is a super-2 number, since 2×1164534257² = 2712280071453084098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1164534257.

It is not a weakly prime, because it can be changed into another prime (1164534277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582267128 + 582267129.

It is an arithmetic number, because the mean of its divisors is an integer number (582267129).

Almost surely, 2^1164534257 is an apocalyptic number.

It is an amenable number.

1164534257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164534257 is an equidigital number, since it uses as much as digits as its factorization.

1164534257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 1164534257 is about 34125.2729952450. The cubic root of 1164534257 is about 1052.0848243347.

Adding to 1164534257 its reverse (7524354611), we get a palindrome (8688888868).

The spelling of 1164534257 in words is "one billion, one hundred sixty-four million, five hundred thirty-four thousand, two hundred fifty-seven".