1089250361 has 2 divisors, whose sum is σ = 1089250362. Its totient is φ = 1089250360.

The previous prime is 1089250277. The next prime is 1089250381. The reversal of 1089250361 is 1630529801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679592761 + 409657600 = 26069^2 + 20240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089250361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1089250381) 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, 544625180 + 544625181.

It is an arithmetic number, because the mean of its divisors is an integer number (544625181).

Almost surely, 2^1089250361 is an apocalyptic number.

It is an amenable number.

1089250361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089250361 is an equidigital number, since it uses as much as digits as its factorization.

1089250361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1089250361 is about 33003.7931304873. The cubic root of 1089250361 is about 1028.9064842296.

The spelling of 1089250361 in words is "one billion, eighty-nine million, two hundred fifty thousand, three hundred sixty-one".