493291 has 2 divisors, whose sum is σ = 493292. Its totient is φ = 493290.

The previous prime is 493279. The next prime is 493301. The reversal of 493291 is 192394.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246645 + 246646.

It is an arithmetic number, because the mean of its divisors is an integer number (246646).

2⁴⁹³²⁹¹ is an apocalyptic number.

493291 is the 406-th hex number.

493291 is a deficient number, since it is larger than the sum of its proper divisors (1).

493291 is an equidigital number, since it uses as much as digits as its factorization.

493291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 493291 is about 702.3467804440. The cubic root of 493291 is about 79.0134570891.

It can be divided in two parts, 493 and 291, that added together give a square (784 = 28²).

The spelling of 493291 in words is "four hundred ninety-three thousand, two hundred ninety-one".