531061 has 8 divisors (see below), whose sum is σ = 564224. Its totient is φ = 498960.

The previous prime is 531043. The next prime is 531071. The reversal of 531061 is 160135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531061 - 2⁹ = 530549 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531071) 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, 916 + ... + 1378.

It is an arithmetic number, because the mean of its divisors is an integer number (70528).

2⁵³¹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

531061 is a deficient number, since it is larger than the sum of its proper divisors (33163).

531061 is a wasteful number, since it uses less digits than its factorization.

531061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 531061 is about 728.7393223918. The cubic root of 531061 is about 80.9806893966.

Adding to 531061 its reverse (160135), we get a palindrome (691196).

The spelling of 531061 in words is "five hundred thirty-one thousand, sixty-one".