473523981 has 16 divisors (see below), whose sum is σ = 722016768. Its totient is φ = 270414000.

The previous prime is 473523961. The next prime is 473524003. The reversal of 473523981 is 189325374.

It is not a de Polignac number, because 473523981 - 2⁵ = 473523949 is a prime.

It is a super-2 number, since 2×473523981² = 448449921164176722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473523961) 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, 31806 + ... + 44256.

It is an arithmetic number, because the mean of its divisors is an integer number (45126048).

Almost surely, 2^473523981 is an apocalyptic number.

It is an amenable number.

473523981 is a deficient number, since it is larger than the sum of its proper divisors (248492787).

473523981 is a wasteful number, since it uses less digits than its factorization.

473523981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272.

The product of its digits is 181440, while the sum is 42.

The square root of 473523981 is about 21760.6061726230. The cubic root of 473523981 is about 779.4363564404.

The spelling of 473523981 in words is "four hundred seventy-three million, five hundred twenty-three thousand, nine hundred eighty-one".