494243801 has 2 divisors, whose sum is σ = 494243802. Its totient is φ = 494243800.

The previous prime is 494243779. The next prime is 494243821. The reversal of 494243801 is 108342494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309936025 + 184307776 = 17605^2 + 13576^2 .

It is a cyclic number.

It is not a de Polignac number, because 494243801 - 2²⁶ = 427134937 is a prime.

It is not a weakly prime, because it can be changed into another prime (494243821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247121900 + 247121901.

It is an arithmetic number, because the mean of its divisors is an integer number (247121901).

Almost surely, 2^494243801 is an apocalyptic number.

It is an amenable number.

494243801 is a deficient number, since it is larger than the sum of its proper divisors (1).

494243801 is an equidigital number, since it uses as much as digits as its factorization.

494243801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 494243801 is about 22231.5946571540. The cubic root of 494243801 is about 790.6429637188.

The spelling of 494243801 in words is "four hundred ninety-four million, two hundred forty-three thousand, eight hundred one".