1071589 has 2 divisors, whose sum is σ = 1071590. Its totient is φ = 1071588.

The previous prime is 1071571. The next prime is 1071601. The reversal of 1071589 is 9851701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 497025 = 758^2 + 705^2 .

It is an emirp because it is prime and its reverse (9851701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071589 - 2¹³ = 1063397 is a prime.

It is a super-2 number, since 2×1071589² = 2296605969842, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1071589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535794 + 535795.

It is an arithmetic number, because the mean of its divisors is an integer number (535795).

2^1071589 is an apocalyptic number.

It is an amenable number.

1071589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071589 is an equidigital number, since it uses as much as digits as its factorization.

1071589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1071589 is about 1035.1758304752. The cubic root of 1071589 is about 102.3315177794.

The spelling of 1071589 in words is "one million, seventy-one thousand, five hundred eighty-nine".