494003001 has 4 divisors (see below), whose sum is σ = 658670672. Its totient is φ = 329335332.

The previous prime is 494002997. The next prime is 494003009. The reversal of 494003001 is 100300494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 494003001 - 2² = 494002997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494003009) 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 in 3 ways as a sum of consecutive naturals, for example, 82333831 + ... + 82333836.

It is an arithmetic number, because the mean of its divisors is an integer number (164667668).

Almost surely, 2^494003001 is an apocalyptic number.

It is an amenable number.

494003001 is a deficient number, since it is larger than the sum of its proper divisors (164667671).

494003001 is a wasteful number, since it uses less digits than its factorization.

494003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164667670.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 494003001 is about 22226.1782814770. The cubic root of 494003001 is about 790.5145400858.

Adding to 494003001 its reverse (100300494), we get a palindrome (594303495).

The spelling of 494003001 in words is "four hundred ninety-four million, three thousand, one".