509054 has 16 divisors (see below), whose sum is σ = 940128. Its totient is φ = 201312.

The previous prime is 509053. The next prime is 509063. The reversal of 509054 is 450905.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (58758).

2⁵⁰⁹⁰⁵⁴ is an apocalyptic number.

509054 is a deficient number, since it is larger than the sum of its proper divisors (431074).

509054 is a wasteful number, since it uses less digits than its factorization.

509054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 509054 is about 713.4802029489. The cubic root of 509054 is about 79.8462672673.

Adding to 509054 its reverse (450905), we get a palindrome (959959).

The spelling of 509054 in words is "five hundred nine thousand, fifty-four".