531629 has 8 divisors (see below), whose sum is σ = 612480. Its totient is φ = 452016.

The previous prime is 531623. The next prime is 531631. The reversal of 531629 is 926135.

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 531629 - 2⁴ = 531613 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 531598 and 531607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531623) 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, 992 + ... + 1430.

It is an arithmetic number, because the mean of its divisors is an integer number (76560).

2⁵³¹⁶²⁹ is an apocalyptic number.

It is an amenable number.

531629 is a deficient number, since it is larger than the sum of its proper divisors (80851).

531629 is a wasteful number, since it uses less digits than its factorization.

531629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its digits is 1620, while the sum is 26.

The square root of 531629 is about 729.1289323570. The cubic root of 531629 is about 81.0095502635.

The spelling of 531629 in words is "five hundred thirty-one thousand, six hundred twenty-nine".