501147873 has 12 divisors (see below), whose sum is σ = 734685328. Its totient is φ = 329111640.

The previous prime is 501147859. The next prime is 501147893. The reversal of 501147873 is 378741105.

501147873 is a `hidden beast` number, since 501 + 14 + 78 + 73 = 666.

It is not a de Polignac number, because 501147873 - 2⁵ = 501147841 is a prime.

It is a super-2 number, since 2×501147873² = 502298381224848258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (501147893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414943 + ... + 416148.

Almost surely, 2^501147873 is an apocalyptic number.

It is an amenable number.

501147873 is a deficient number, since it is larger than the sum of its proper divisors (233537455).

501147873 is a wasteful number, since it uses less digits than its factorization.

501147873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831164 (or 831161 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 501147873 is about 22386.3322811040. The cubic root of 501147873 is about 794.3074400498.

Adding to 501147873 its reverse (378741105), we get a palindrome (879888978).

The spelling of 501147873 in words is "five hundred one million, one hundred forty-seven thousand, eight hundred seventy-three".