472805531 has 16 divisors (see below), whose sum is σ = 534924000. Its totient is φ = 413952000.

The previous prime is 472805407. The next prime is 472805569. The reversal of 472805531 is 135508274.

It is a happy number.

It is not a de Polignac number, because 472805531 - 2¹⁴ = 472789147 is a prime.

It is a super-2 number, since 2×472805531² = 447090140288383922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472805491 and 472805500.

It is not an unprimeable number, because it can be changed into a prime (472805731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141581 + ... + 144881.

It is an arithmetic number, because the mean of its divisors is an integer number (33432750).

Almost surely, 2^472805531 is an apocalyptic number.

472805531 is a deficient number, since it is larger than the sum of its proper divisors (62118469).

472805531 is a wasteful number, since it uses less digits than its factorization.

472805531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 472805531 is about 21744.0918642283. The cubic root of 472805531 is about 779.0419593081.

The spelling of 472805531 in words is "four hundred seventy-two million, eight hundred five thousand, five hundred thirty-one".