531963 has 6 divisors (see below), whose sum is σ = 768404. Its totient is φ = 354636.

The previous prime is 531919. The next prime is 531977. The reversal of 531963 is 369135.

It is not a de Polignac number, because 531963 - 2¹³ = 523771 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29545 + ... + 29562.

2⁵³¹⁹⁶³ is an apocalyptic number.

531963 is a deficient number, since it is larger than the sum of its proper divisors (236441).

531963 is a wasteful number, since it uses less digits than its factorization.

531963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59113 (or 59110 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 531963 is about 729.3579368184. The cubic root of 531963 is about 81.0265116692.

It can be divided in two parts, 53 and 1963, that added together give a triangular number (2016 = T₆₃).

The spelling of 531963 in words is "five hundred thirty-one thousand, nine hundred sixty-three".