1587959 has 2 divisors, whose sum is σ = 1587960. Its totient is φ = 1587958.

The previous prime is 1587923. The next prime is 1587961. The reversal of 1587959 is 9597851.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1587959 - 2¹² = 1583863 is a prime.

It is a super-2 number, since 2×1587959² = 5043227571362, which contains 22 as substring.

Together with 1587961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1580959) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793979 + 793980.

It is an arithmetic number, because the mean of its divisors is an integer number (793980).

2^1587959 is an apocalyptic number.

1587959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1587959 is an equidigital number, since it uses as much as digits as its factorization.

1587959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 44.

The square root of 1587959 is about 1260.1424522648. The cubic root of 1587959 is about 116.6665696144. Note that the first 3 decimals are identical.

The spelling of 1587959 in words is "one million, five hundred eighty-seven thousand, nine hundred fifty-nine".