1559489 has 4 divisors (see below), whose sum is σ = 1563780. Its totient is φ = 1555200.

The previous prime is 1559483. The next prime is 1559491. The reversal of 1559489 is 9849551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 160000 = 1183^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1559489 - 2⁴ = 1559473 is a prime.

It is a super-2 number, since 2×1559489² = 4864011882242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1559483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (390945).

2^1559489 is an apocalyptic number.

It is an amenable number.

1559489 is a deficient number, since it is larger than the sum of its proper divisors (4291).

1559489 is an equidigital number, since it uses as much as digits as its factorization.

1559489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its digits is 64800, while the sum is 41.

The square root of 1559489 is about 1248.7950192085. The cubic root of 1559489 is about 115.9651351821.

It can be divided in two parts, 1559 and 489, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1559489 in words is "one million, five hundred fifty-nine thousand, four hundred eighty-nine".