472531111 has 4 divisors (see below), whose sum is σ = 508879672. Its totient is φ = 436182552.

The previous prime is 472531097. The next prime is 472531123. The reversal of 472531111 is 111135274.

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

It is not a de Polignac number, because 472531111 - 2⁷ = 472530983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472531511) 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, 18174261 + ... + 18174286.

It is an arithmetic number, because the mean of its divisors is an integer number (127219918).

Almost surely, 2^472531111 is an apocalyptic number.

472531111 is a deficient number, since it is larger than the sum of its proper divisors (36348561).

472531111 is a wasteful number, since it uses less digits than its factorization.

472531111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348560.

The product of its digits is 840, while the sum is 25.

The square root of 472531111 is about 21737.7807284920. The cubic root of 472531111 is about 778.8912094722.

Adding to 472531111 its reverse (111135274), we get a palindrome (583666385).

The spelling of 472531111 in words is "four hundred seventy-two million, five hundred thirty-one thousand, one hundred eleven".