1160450381 has 2 divisors, whose sum is σ = 1160450382. Its totient is φ = 1160450380.

The previous prime is 1160450323. The next prime is 1160450387. The reversal of 1160450381 is 1830540611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041094756 + 119355625 = 32266^2 + 10925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1160450381 is a prime.

It is a super-2 number, since 2×1160450381² = 2693290173526090322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160450387) 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, 580225190 + 580225191.

It is an arithmetic number, because the mean of its divisors is an integer number (580225191).

Almost surely, 2^1160450381 is an apocalyptic number.

It is an amenable number.

1160450381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160450381 is an equidigital number, since it uses as much as digits as its factorization.

1160450381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1160450381 is about 34065.3839109440. The cubic root of 1160450381 is about 1050.8535405907.

Adding to 1160450381 its reverse (1830540611), we get a palindrome (2990990992).

The spelling of 1160450381 in words is "one billion, one hundred sixty million, four hundred fifty thousand, three hundred eighty-one".