1085588249 has 2 divisors, whose sum is σ = 1085588250. Its totient is φ = 1085588248.

The previous prime is 1085588239. The next prime is 1085588323. The reversal of 1085588249 is 9428855801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069747849 + 15840400 = 32707^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085588249 - 2²⁸ = 817152793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085588197 and 1085588206.

It is not a weakly prime, because it can be changed into another prime (1085588219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542794124 + 542794125.

It is an arithmetic number, because the mean of its divisors is an integer number (542794125).

Almost surely, 2^1085588249 is an apocalyptic number.

It is an amenable number.

1085588249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085588249 is an equidigital number, since it uses as much as digits as its factorization.

1085588249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 50.

The square root of 1085588249 is about 32948.2662518075. The cubic root of 1085588249 is about 1027.7521119131.

The spelling of 1085588249 in words is "one billion, eighty-five million, five hundred eighty-eight thousand, two hundred forty-nine".