501474287 has 4 divisors (see below), whose sum is σ = 510936120. Its totient is φ = 492012456.

The previous prime is 501474263. The next prime is 501474289. The reversal of 501474287 is 782474105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 501474287 - 2⁸ = 501474031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501474287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501474289) 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, 4730837 + ... + 4730942.

It is an arithmetic number, because the mean of its divisors is an integer number (127734030).

Almost surely, 2^501474287 is an apocalyptic number.

501474287 is a deficient number, since it is larger than the sum of its proper divisors (9461833).

501474287 is an equidigital number, since it uses as much as digits as its factorization.

501474287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461832.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 501474287 is about 22393.6215695452. The cubic root of 501474287 is about 794.4798554266.

The spelling of 501474287 in words is "five hundred one million, four hundred seventy-four thousand, two hundred eighty-seven".