1351589 has 2 divisors, whose sum is σ = 1351590. Its totient is φ = 1351588.

The previous prime is 1351547. The next prime is 1351621. The reversal of 1351589 is 9851531.

It is an a-pointer prime, because the next prime (1351621) can be obtained adding 1351589 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 550564 = 895^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351589 - 2²⁰ = 303013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675794 + 675795.

It is an arithmetic number, because the mean of its divisors is an integer number (675795).

2^1351589 is an apocalyptic number.

It is an amenable number.

1351589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351589 is an equidigital number, since it uses as much as digits as its factorization.

1351589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 32.

The square root of 1351589 is about 1162.5785994934. The cubic root of 1351589 is about 110.5642903725.

The spelling of 1351589 in words is "one million, three hundred fifty-one thousand, five hundred eighty-nine".