1402589 has 2 divisors, whose sum is σ = 1402590. Its totient is φ = 1402588.

The previous prime is 1402571. The next prime is 1402603. The reversal of 1402589 is 9852041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 80089 = 1150^2 + 283^2 .

It is an emirp because it is prime and its reverse (9852041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402589 - 2¹² = 1398493 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701294 + 701295.

It is an arithmetic number, because the mean of its divisors is an integer number (701295).

2^1402589 is an apocalyptic number.

It is an amenable number.

1402589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402589 is an equidigital number, since it uses as much as digits as its factorization.

1402589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1402589 is about 1184.3095034660. The cubic root of 1402589 is about 111.9378109260.

It can be divided in two parts, 1402 and 589, that added together give a palindrome (1991).

The spelling of 1402589 in words is "one million, four hundred two thousand, five hundred eighty-nine".