493004081 has 2 divisors, whose sum is σ = 493004082. Its totient is φ = 493004080.

The previous prime is 493004069. The next prime is 493004107. The reversal of 493004081 is 180400394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492129856 + 874225 = 22184^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493004081 is a prime.

It is a super-2 number, since 2×493004081² = 486106047765309122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493004881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246502040 + 246502041.

It is an arithmetic number, because the mean of its divisors is an integer number (246502041).

Almost surely, 2^493004081 is an apocalyptic number.

It is an amenable number.

493004081 is a deficient number, since it is larger than the sum of its proper divisors (1).

493004081 is an equidigital number, since it uses as much as digits as its factorization.

493004081 is an evil number, because the sum of its binary digits is even.

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

The square root of 493004081 is about 22203.6952104824. The cubic root of 493004081 is about 789.9813492366.

The spelling of 493004081 in words is "four hundred ninety-three million, four thousand, eighty-one".