472569631 has 4 divisors (see below), whose sum is σ = 482624352. Its totient is φ = 462514912.

The previous prime is 472569599. The next prime is 472569637. The reversal of 472569631 is 136965274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136965274 = 2 ⋅68482637.

It is a cyclic number.

It is not a de Polignac number, because 472569631 - 2⁵ = 472569599 is a prime.

It is a super-2 number, since 2×472569631² = 446644112286952322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472569637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027290 + ... + 5027383.

It is an arithmetic number, because the mean of its divisors is an integer number (120656088).

Almost surely, 2^472569631 is an apocalyptic number.

472569631 is a deficient number, since it is larger than the sum of its proper divisors (10054721).

472569631 is a wasteful number, since it uses less digits than its factorization.

472569631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054720.

The product of its digits is 272160, while the sum is 43.

The square root of 472569631 is about 21738.6667254457. Note that the first 3 decimals coincide. The cubic root of 472569631 is about 778.9123735631.

The spelling of 472569631 in words is "four hundred seventy-two million, five hundred sixty-nine thousand, six hundred thirty-one".