472731013 has 2 divisors, whose sum is σ = 472731014. Its totient is φ = 472731012.

The previous prime is 472731011. The next prime is 472731043. The reversal of 472731013 is 310137274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447660964 + 25070049 = 21158^2 + 5007^2 .

It is a cyclic number.

It is not a de Polignac number, because 472731013 - 2¹ = 472731011 is a prime.

It is a super-2 number, since 2×472731013² = 446949221304012338, which contains 22 as substring.

Together with 472731011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472731011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236365506 + 236365507.

It is an arithmetic number, because the mean of its divisors is an integer number (236365507).

Almost surely, 2^472731013 is an apocalyptic number.

It is an amenable number.

472731013 is a deficient number, since it is larger than the sum of its proper divisors (1).

472731013 is an equidigital number, since it uses as much as digits as its factorization.

472731013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 472731013 is about 21742.3782737768. The cubic root of 472731013 is about 779.0010293732.

Adding to 472731013 its reverse (310137274), we get a palindrome (782868287).

The spelling of 472731013 in words is "four hundred seventy-two million, seven hundred thirty-one thousand, thirteen".