494555597 has 2 divisors, whose sum is σ = 494555598. Its totient is φ = 494555596.

The previous prime is 494555587. The next prime is 494555629. The reversal of 494555597 is 795555494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373687561 + 120868036 = 19331^2 + 10994^2 .

It is a cyclic number.

It is not a de Polignac number, because 494555597 - 2⁶ = 494555533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494555507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247277798 + 247277799.

It is an arithmetic number, because the mean of its divisors is an integer number (247277799).

Almost surely, 2^494555597 is an apocalyptic number.

It is an amenable number.

494555597 is a deficient number, since it is larger than the sum of its proper divisors (1).

494555597 is an equidigital number, since it uses as much as digits as its factorization.

494555597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670000, while the sum is 53.

The square root of 494555597 is about 22238.6060039743. The cubic root of 494555597 is about 790.8091890323.

The spelling of 494555597 in words is "four hundred ninety-four million, five hundred fifty-five thousand, five hundred ninety-seven".