506217051 has 24 divisors (see below), whose sum is σ = 766112256. Its totient is φ = 321486000.

The previous prime is 506217031. The next prime is 506217053. The reversal of 506217051 is 150712605.

It is not a de Polignac number, because 506217051 - 2⁷ = 506216923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506217053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47086 + ... + 56828.

It is an arithmetic number, because the mean of its divisors is an integer number (31921344).

Almost surely, 2^506217051 is an apocalyptic number.

506217051 is a deficient number, since it is larger than the sum of its proper divisors (259895205).

506217051 is a wasteful number, since it uses less digits than its factorization.

506217051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10020 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 506217051 is about 22499.2677880859. The cubic root of 506217051 is about 796.9766358762.

Adding to 506217051 its reverse (150712605), we get a palindrome (656929656).

The spelling of 506217051 in words is "five hundred six million, two hundred seventeen thousand, fifty-one".