494299457 has 2 divisors, whose sum is σ = 494299458. Its totient is φ = 494299456.

The previous prime is 494299411. The next prime is 494299469. The reversal of 494299457 is 754992494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315382081 + 178917376 = 17759^2 + 13376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494299457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494299399 and 494299408.

It is not a weakly prime, because it can be changed into another prime (494259457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247149728 + 247149729.

It is an arithmetic number, because the mean of its divisors is an integer number (247149729).

Almost surely, 2^494299457 is an apocalyptic number.

It is an amenable number.

494299457 is a deficient number, since it is larger than the sum of its proper divisors (1).

494299457 is an equidigital number, since it uses as much as digits as its factorization.

494299457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 494299457 is about 22232.8463539872. The cubic root of 494299457 is about 790.6726402826.

The spelling of 494299457 in words is "four hundred ninety-four million, two hundred ninety-nine thousand, four hundred fifty-seven".