1962589 has 2 divisors, whose sum is σ = 1962590. Its totient is φ = 1962588.

The previous prime is 1962581. The next prime is 1962593. The reversal of 1962589 is 9852691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 311364 = 1285^2 + 558^2 .

It is an emirp because it is prime and its reverse (9852691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1962589 - 2³ = 1962581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1962581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981294 + 981295.

It is an arithmetic number, because the mean of its divisors is an integer number (981295).

2^1962589 is an apocalyptic number.

It is an amenable number.

1962589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962589 is an equidigital number, since it uses as much as digits as its factorization.

1962589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 1962589 is about 1400.9243377142. The cubic root of 1962589 is about 125.2015734371.

The spelling of 1962589 in words is "one million, nine hundred sixty-two thousand, five hundred eighty-nine".