494015057 has 2 divisors, whose sum is σ = 494015058. Its totient is φ = 494015056.

The previous prime is 494015051. The next prime is 494015069. The reversal of 494015057 is 750510494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412943041 + 81072016 = 20321^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 494015057 - 2⁶ = 494014993 is a prime.

It is not a weakly prime, because it can be changed into another prime (494015051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247007528 + 247007529.

It is an arithmetic number, because the mean of its divisors is an integer number (247007529).

Almost surely, 2^494015057 is an apocalyptic number.

It is an amenable number.

494015057 is a deficient number, since it is larger than the sum of its proper divisors (1).

494015057 is an equidigital number, since it uses as much as digits as its factorization.

494015057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 494015057 is about 22226.4494915405. The cubic root of 494015057 is about 790.5209707929.

The spelling of 494015057 in words is "four hundred ninety-four million, fifteen thousand, fifty-seven".