475922081 has 4 divisors (see below), whose sum is σ = 475970964. Its totient is φ = 475873200.

The previous prime is 475922077. The next prime is 475922087. The reversal of 475922081 is 180229574.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 339149056 + 136773025 = 18416^2 + 11695^2 .

It is a cyclic number.

It is not a de Polignac number, because 475922081 - 2² = 475922077 is a prime.

It is a super-2 number, since 2×475922081² = 453003654366741122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (475922087) 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, 4310 + ... + 31151.

It is an arithmetic number, because the mean of its divisors is an integer number (118992741).

Almost surely, 2^475922081 is an apocalyptic number.

It is an amenable number.

475922081 is a deficient number, since it is larger than the sum of its proper divisors (48883).

475922081 is a wasteful number, since it uses less digits than its factorization.

475922081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48882.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 475922081 is about 21815.6384504328. The cubic root of 475922081 is about 780.7499258101.

The spelling of 475922081 in words is "four hundred seventy-five million, nine hundred twenty-two thousand, eighty-one".