472631111 has 4 divisors (see below), whose sum is σ = 480379224. Its totient is φ = 464883000.

The previous prime is 472631077. The next prime is 472631113. The reversal of 472631111 is 111136274.

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 472631111 - 2¹⁰ = 472630087 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 (472631113) 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, 3873965 + ... + 3874086.

It is an arithmetic number, because the mean of its divisors is an integer number (120094806).

Almost surely, 2^472631111 is an apocalyptic number.

472631111 is a deficient number, since it is larger than the sum of its proper divisors (7748113).

472631111 is an equidigital number, since it uses as much as digits as its factorization.

472631111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748112.

The product of its digits is 1008, while the sum is 26.

The square root of 472631111 is about 21740.0807496200. The cubic root of 472631111 is about 778.9461502125.

Adding to 472631111 its reverse (111136274), we get a palindrome (583767385).

The spelling of 472631111 in words is "four hundred seventy-two million, six hundred thirty-one thousand, one hundred eleven".