494503457 has 4 divisors (see below), whose sum is σ = 565146816. Its totient is φ = 423860100.

The previous prime is 494503441. The next prime is 494503469. The reversal of 494503457 is 754305494.

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 a cyclic number.

It is not a de Polignac number, because 494503457 - 2⁴ = 494503441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494503417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35321669 + ... + 35321682.

It is an arithmetic number, because the mean of its divisors is an integer number (141286704).

Almost surely, 2^494503457 is an apocalyptic number.

It is an amenable number.

494503457 is a deficient number, since it is larger than the sum of its proper divisors (70643359).

494503457 is an equidigital number, since it uses as much as digits as its factorization.

494503457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70643358.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 494503457 is about 22237.4336873660. The cubic root of 494503457 is about 790.7813969159.

The spelling of 494503457 in words is "four hundred ninety-four million, five hundred three thousand, four hundred fifty-seven".