532491 has 16 divisors (see below), whose sum is σ = 769824. Its totient is φ = 326144.

The previous prime is 532489. The next prime is 532501. The reversal of 532491 is 194235.

It is a cyclic number.

It is not a de Polignac number, because 532491 - 2¹ = 532489 is a prime.

Its product of digits (1080) is a multiple of the sum of its prime divisors (270).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 532491.

It is not an unprimeable number, because it can be changed into a prime (532421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (48114).

2⁵³²⁴⁹¹ is an apocalyptic number.

532491 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

532491 is a deficient number, since it is larger than the sum of its proper divisors (237333).

532491 is a wasteful number, since it uses less digits than its factorization.

532491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 1080, while the sum is 24.

The square root of 532491 is about 729.7198092419. The cubic root of 532491 is about 81.0533104325.

It can be divided in two parts, 5324 and 91, that multiplied together give a palindrome (484484).

The spelling of 532491 in words is "five hundred thirty-two thousand, four hundred ninety-one".