1165652237 has 2 divisors, whose sum is σ = 1165652238. Its totient is φ = 1165652236.

The previous prime is 1165652221. The next prime is 1165652239. The reversal of 1165652237 is 7322565611.

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., 1162741801 + 2910436 = 34099^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165652237 - 2⁴ = 1165652221 is a prime.

It is a super-4 number, since 4×1165652237⁴ (a number of 37 digits) contains 4444 as substring.

Together with 1165652239, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165652237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165652239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582826118 + 582826119.

It is an arithmetic number, because the mean of its divisors is an integer number (582826119).

Almost surely, 2^1165652237 is an apocalyptic number.

It is an amenable number.

1165652237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165652237 is an equidigital number, since it uses as much as digits as its factorization.

1165652237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 1165652237 is about 34141.6495940076. The cubic root of 1165652237 is about 1052.4213919622.

The spelling of 1165652237 in words is "one billion, one hundred sixty-five million, six hundred fifty-two thousand, two hundred thirty-seven".