494541757 has 2 divisors, whose sum is σ = 494541758. Its totient is φ = 494541756.

The previous prime is 494541643. The next prime is 494541769. The reversal of 494541757 is 757145494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300190276 + 194351481 = 17326^2 + 13941^2 .

It is a cyclic number.

It is not a de Polignac number, because 494541757 - 2⁷ = 494541629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494641757) 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, 247270878 + 247270879.

It is an arithmetic number, because the mean of its divisors is an integer number (247270879).

Almost surely, 2^494541757 is an apocalyptic number.

It is an amenable number.

494541757 is a deficient number, since it is larger than the sum of its proper divisors (1).

494541757 is an equidigital number, since it uses as much as digits as its factorization.

494541757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 46.

The square root of 494541757 is about 22238.2948312140. The cubic root of 494541757 is about 790.8018121056.

The spelling of 494541757 in words is "four hundred ninety-four million, five hundred forty-one thousand, seven hundred fifty-seven".