493481 has 2 divisors, whose sum is σ = 493482. Its totient is φ = 493480.

The previous prime is 493463. The next prime is 493523. The reversal of 493481 is 184394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 3481 = 700^2 + 59^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493481 is a prime.

It is a super-2 number, since 2×493481² = 487046994722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (490481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246740 + 246741.

It is an arithmetic number, because the mean of its divisors is an integer number (246741).

2⁴⁹³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

493481 is a deficient number, since it is larger than the sum of its proper divisors (1).

493481 is an equidigital number, since it uses as much as digits as its factorization.

493481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 493481 is about 702.4820282399. The cubic root of 493481 is about 79.0236002769.

It can be divided in two parts, 49 and 3481, that multiplied together give a square (170569 = 413²).

The spelling of 493481 in words is "four hundred ninety-three thousand, four hundred eighty-one".