531004 has 6 divisors (see below), whose sum is σ = 929264. Its totient is φ = 265500.

The previous prime is 530989. The next prime is 531017. The reversal of 531004 is 400135.

It is a congruent number.

It is an unprimeable number.

531004 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66372 + ... + 66379.

2⁵³¹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

531004 is a deficient number, since it is larger than the sum of its proper divisors (398260).

531004 is a wasteful number, since it uses less digits than its factorization.

531004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132755 (or 132753 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 531004 is about 728.7002127075. The cubic root of 531004 is about 80.9777920116.

Adding to 531004 its reverse (400135), we get a palindrome (931139).

The spelling of 531004 in words is "five hundred thirty-one thousand, four".