494895501 has 56 divisors (see below), whose sum is σ = 780664320. Its totient is φ = 313178400.

The previous prime is 494895493. The next prime is 494895523. The reversal of 494895501 is 105598494.

494895501 is a `hidden beast` number, since 4 + 94 + 8 + 9 + 550 + 1 = 666.

It is not a de Polignac number, because 494895501 - 2³ = 494895493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494895581) 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 55 ways as a sum of consecutive naturals, for example, 1378360 + ... + 1378718.

Almost surely, 2^494895501 is an apocalyptic number.

It is an amenable number.

494895501 is a deficient number, since it is larger than the sum of its proper divisors (285768819).

494895501 is an equidigital number, since it uses as much as digits as its factorization.

494895501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 494895501 is about 22246.2468969487. The cubic root of 494895501 is about 790.9903197623.

The spelling of 494895501 in words is "four hundred ninety-four million, eight hundred ninety-five thousand, five hundred one".