511489 has 4 divisors (see below), whose sum is σ = 558000. Its totient is φ = 464980.

The previous prime is 511487. The next prime is 511507. The reversal of 511489 is 984115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 511489 - 2¹ = 511487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511487) 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, 23239 + ... + 23260.

It is an arithmetic number, because the mean of its divisors is an integer number (139500).

2⁵¹¹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

511489 is a deficient number, since it is larger than the sum of its proper divisors (46511).

511489 is a wasteful number, since it uses less digits than its factorization.

511489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46510.

The product of its digits is 1440, while the sum is 28.

The square root of 511489 is about 715.1845915566. The cubic root of 511489 is about 79.9733765576.

It can be divided in two parts, 511 and 489, that added together give a cube (1000 = 10³).

The spelling of 511489 in words is "five hundred eleven thousand, four hundred eighty-nine".