1085532589 has 2 divisors, whose sum is σ = 1085532590. Its totient is φ = 1085532588.

The previous prime is 1085532559. The next prime is 1085532629. The reversal of 1085532589 is 9852355801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994330089 + 91202500 = 31533^2 + 9550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085532589 - 2¹¹ = 1085530541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085532559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542766294 + 542766295.

It is an arithmetic number, because the mean of its divisors is an integer number (542766295).

Almost surely, 2^1085532589 is an apocalyptic number.

It is an amenable number.

1085532589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085532589 is an equidigital number, since it uses as much as digits as its factorization.

1085532589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 1085532589 is about 32947.4215834866. The cubic root of 1085532589 is about 1027.7345467328.

The spelling of 1085532589 in words is "one billion, eighty-five million, five hundred thirty-two thousand, five hundred eighty-nine".