531049 has 4 divisors (see below), whose sum is σ = 532864. Its totient is φ = 529236.

The previous prime is 531043. The next prime is 531071. The reversal of 531049 is 940135.

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 531049 - 2⁵ = 531017 is a prime.

It is an Ulam number.

It is a Duffinian number.

531049 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531043) 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, 357 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (133216).

2⁵³¹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

531049 is a deficient number, since it is larger than the sum of its proper divisors (1815).

531049 is a wasteful number, since it uses less digits than its factorization.

531049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 531049 is about 728.7310889485. The cubic root of 531049 is about 80.9800794380.

The spelling of 531049 in words is "five hundred thirty-one thousand, forty-nine".