1371589 has 2 divisors, whose sum is σ = 1371590. Its totient is φ = 1371588.

The previous prime is 1371583. The next prime is 1371593. The reversal of 1371589 is 9851731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1340964 + 30625 = 1158^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371589 - 2³ = 1371581 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685794 + 685795.

It is an arithmetic number, because the mean of its divisors is an integer number (685795).

2^1371589 is an apocalyptic number.

It is an amenable number.

1371589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371589 is an equidigital number, since it uses as much as digits as its factorization.

1371589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 1371589 is about 1171.1485815216. The cubic root of 1371589 is about 111.1069769203.

The spelling of 1371589 in words is "one million, three hundred seventy-one thousand, five hundred eighty-nine".