493346261 has 2 divisors, whose sum is σ = 493346262. Its totient is φ = 493346260.

The previous prime is 493346221. The next prime is 493346309. The reversal of 493346261 is 162643394.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425596900 + 67749361 = 20630^2 + 8231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493346261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493346221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246673130 + 246673131.

It is an arithmetic number, because the mean of its divisors is an integer number (246673131).

Almost surely, 2^493346261 is an apocalyptic number.

It is an amenable number.

493346261 is a deficient number, since it is larger than the sum of its proper divisors (1).

493346261 is an equidigital number, since it uses as much as digits as its factorization.

493346261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 493346261 is about 22211.3993480825. The cubic root of 493346261 is about 790.1640747711.

The spelling of 493346261 in words is "four hundred ninety-three million, three hundred forty-six thousand, two hundred sixty-one".