473502021 has 16 divisors (see below), whose sum is σ = 671024640. Its totient is φ = 296146800.

The previous prime is 473502013. The next prime is 473502049. The reversal of 473502021 is 120205374.

It is not a de Polignac number, because 473502021 - 2³ = 473502013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 473501982 and 473502000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473502521) 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, 34455 + ... + 46196.

It is an arithmetic number, because the mean of its divisors is an integer number (41939040).

Almost surely, 2^473502021 is an apocalyptic number.

It is an amenable number.

473502021 is a deficient number, since it is larger than the sum of its proper divisors (197522619).

473502021 is a wasteful number, since it uses less digits than its factorization.

473502021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80776.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 473502021 is about 21760.1015852408. The cubic root of 473502021 is about 779.4243072886.

Adding to 473502021 its reverse (120205374), we get a palindrome (593707395).

The spelling of 473502021 in words is "four hundred seventy-three million, five hundred two thousand, twenty-one".