1055489 has 2 divisors, whose sum is σ = 1055490. Its totient is φ = 1055488.

The previous prime is 1055471. The next prime is 1055501. The reversal of 1055489 is 9845501.

1055489 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 85264 = 985^2 + 292^2 .

It is an emirp because it is prime and its reverse (9845501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055489 - 2⁸ = 1055233 is a prime.

It is a super-2 number, since 2×1055489² = 2228114058242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1055429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527744 + 527745.

It is an arithmetic number, because the mean of its divisors is an integer number (527745).

2^1055489 is an apocalyptic number.

It is an amenable number.

1055489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055489 is an equidigital number, since it uses as much as digits as its factorization.

1055489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1055489 is about 1027.3699431072. The cubic root of 1055489 is about 101.8164390501.

The spelling of 1055489 in words is "one million, fifty-five thousand, four hundred eighty-nine".