494538517 has 32 divisors (see below), whose sum is σ = 605404800. Its totient is φ = 398131200.

The previous prime is 494538503. The next prime is 494538547. The reversal of 494538517 is 715835494.

It is a cyclic number.

It is not a de Polignac number, because 494538517 - 2¹⁵ = 494505749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494538547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642709 + ... + 643477.

It is an arithmetic number, because the mean of its divisors is an integer number (18918900).

Almost surely, 2^494538517 is an apocalyptic number.

It is an amenable number.

494538517 is a deficient number, since it is larger than the sum of its proper divisors (110866283).

494538517 is a wasteful number, since it uses less digits than its factorization.

494538517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 604800, while the sum is 46.

The square root of 494538517 is about 22238.2219837828. The cubic root of 494538517 is about 790.8000851173.

It can be divided in two parts, 49453 and 8517, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 494538517 in words is "four hundred ninety-four million, five hundred thirty-eight thousand, five hundred seventeen".