1164331397 has 2 divisors, whose sum is σ = 1164331398. Its totient is φ = 1164331396.

The previous prime is 1164331393. The next prime is 1164331433. The reversal of 1164331397 is 7931334611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963854116 + 200477281 = 31046^2 + 14159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164331397 - 2² = 1164331393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1164331397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164331393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582165698 + 582165699.

It is an arithmetic number, because the mean of its divisors is an integer number (582165699).

Almost surely, 2^1164331397 is an apocalyptic number.

It is an amenable number.

1164331397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164331397 is an equidigital number, since it uses as much as digits as its factorization.

1164331397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 1164331397 is about 34122.3005818775. The cubic root of 1164331397 is about 1052.0237302907.

The spelling of 1164331397 in words is "one billion, one hundred sixty-four million, three hundred thirty-one thousand, three hundred ninety-seven".