1161253337 has 2 divisors, whose sum is σ = 1161253338. Its totient is φ = 1161253336.

The previous prime is 1161253309. The next prime is 1161253367. The reversal of 1161253337 is 7333521611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1025856841 + 135396496 = 32029^2 + 11636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161253337 - 2⁸ = 1161253081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161253307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580626668 + 580626669.

It is an arithmetic number, because the mean of its divisors is an integer number (580626669).

Almost surely, 2^1161253337 is an apocalyptic number.

It is an amenable number.

1161253337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161253337 is an equidigital number, since it uses as much as digits as its factorization.

1161253337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 1161253337 is about 34077.1673852156. The cubic root of 1161253337 is about 1051.0958587540.

Adding to 1161253337 its reverse (7333521611), we get a palindrome (8494774948).

The spelling of 1161253337 in words is "one billion, one hundred sixty-one million, two hundred fifty-three thousand, three hundred thirty-seven".