494382505 has 8 divisors (see below), whose sum is σ = 593401032. Its totient is φ = 395411328.

The previous prime is 494382487. The next prime is 494382521. The reversal of 494382505 is 505283494.

It can be written as a sum of positive squares in 4 ways, for example, as 41203561 + 453178944 = 6419^2 + 21288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494382505 - 2⁷ = 494382377 is a prime.

It is a super-2 number, since 2×494382505² = 488828122500150050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 17959 + ... + 36211.

It is an arithmetic number, because the mean of its divisors is an integer number (74175129).

Almost surely, 2^494382505 is an apocalyptic number.

It is an amenable number.

494382505 is a deficient number, since it is larger than the sum of its proper divisors (99018527).

494382505 is a wasteful number, since it uses less digits than its factorization.

494382505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23675.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 494382505 is about 22234.7139626306. The cubic root of 494382505 is about 790.7169185053.

The spelling of 494382505 in words is "four hundred ninety-four million, three hundred eighty-two thousand, five hundred five".