494387522 has 4 divisors (see below), whose sum is σ = 741581286. Its totient is φ = 247193760.

The previous prime is 494387521. The next prime is 494387527. The reversal of 494387522 is 225783494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 494128441 + 259081 = 22229^2 + 509^2 .

It is not an unprimeable number, because it can be changed into a prime (494387521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123596879 + ... + 123596882.

Almost surely, 2^494387522 is an apocalyptic number.

494387522 is a deficient number, since it is larger than the sum of its proper divisors (247193764).

494387522 is a wasteful number, since it uses less digits than its factorization.

494387522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247193763.

The product of its digits is 483840, while the sum is 44.

The square root of 494387522 is about 22234.8267814256. The cubic root of 494387522 is about 790.7195932314.

The spelling of 494387522 in words is "four hundred ninety-four million, three hundred eighty-seven thousand, five hundred twenty-two".