472146511 has 4 divisors (see below), whose sum is σ = 472199112. Its totient is φ = 472093912.

The previous prime is 472146509. The next prime is 472146533. The reversal of 472146511 is 115641274.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 472146511 - 2¹ = 472146509 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472146811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9076 + ... + 32041.

It is an arithmetic number, because the mean of its divisors is an integer number (118049778).

Almost surely, 2^472146511 is an apocalyptic number.

472146511 is a deficient number, since it is larger than the sum of its proper divisors (52601).

472146511 is a wasteful number, since it uses less digits than its factorization.

472146511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52600.

The product of its digits is 6720, while the sum is 31.

The square root of 472146511 is about 21728.9325784770. The cubic root of 472146511 is about 778.6798351228.

Adding to 472146511 its reverse (115641274), we get a palindrome (587787785).

The spelling of 472146511 in words is "four hundred seventy-two million, one hundred forty-six thousand, five hundred eleven".