473537917 has 2 divisors, whose sum is σ = 473537918. Its totient is φ = 473537916.

The previous prime is 473537899. The next prime is 473537947. The reversal of 473537917 is 719735374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473236516 + 301401 = 21754^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 473537917 - 2¹¹ = 473535869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473537947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236768958 + 236768959.

It is an arithmetic number, because the mean of its divisors is an integer number (236768959).

Almost surely, 2^473537917 is an apocalyptic number.

It is an amenable number.

473537917 is a deficient number, since it is larger than the sum of its proper divisors (1).

473537917 is an equidigital number, since it uses as much as digits as its factorization.

473537917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 555660, while the sum is 46.

The square root of 473537917 is about 21760.9263819351. The cubic root of 473537917 is about 779.4440027398. Note that the first 3 decimals are identical.

The spelling of 473537917 in words is "four hundred seventy-three million, five hundred thirty-seven thousand, nine hundred seventeen".