531671 has 8 divisors (see below), whose sum is σ = 612864. Its totient is φ = 451800.

The previous prime is 531667. The next prime is 531673. The reversal of 531671 is 176135.

531671 = 149² + 150² + ... + 169².

531671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 531671 - 2² = 531667 is a prime.

It is a d-powerful number, because it can be written as 5 + 3¹² + 6³ + 1 + 7 + 1 .

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 (531673) 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, 806 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁵³¹⁶⁷¹ is an apocalyptic number.

531671 is a deficient number, since it is larger than the sum of its proper divisors (81193).

531671 is a wasteful number, since it uses less digits than its factorization.

531671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 630, while the sum is 23.

The square root of 531671 is about 729.1577332786. The cubic root of 531671 is about 81.0116835253.

The spelling of 531671 in words is "five hundred thirty-one thousand, six hundred seventy-one".