493531 has 2 divisors, whose sum is σ = 493532. Its totient is φ = 493530.

The previous prime is 493523. The next prime is 493541. The reversal of 493531 is 135394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493531 - 2³ = 493523 is a prime.

It is a super-2 number, since 2×493531² = 487145695922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493496 and 493505.

It is not a weakly prime, because it can be changed into another prime (493541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246765 + 246766.

It is an arithmetic number, because the mean of its divisors is an integer number (246766).

2⁴⁹³⁵³¹ is an apocalyptic number.

493531 is a deficient number, since it is larger than the sum of its proper divisors (1).

493531 is an equidigital number, since it uses as much as digits as its factorization.

493531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 493531 is about 702.5176154375. The cubic root of 493531 is about 79.0262691041.

It can be divided in two parts, 493 and 531, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 493531 in words is "four hundred ninety-three thousand, five hundred thirty-one".