523472017 has 2 divisors, whose sum is σ = 523472018. Its totient is φ = 523472016.

The previous prime is 523471987. The next prime is 523472057. The reversal of 523472017 is 710274325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523082641 + 389376 = 22871^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 523472017 - 2¹⁵ = 523439249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523472017.

It is not a weakly prime, because it can be changed into another prime (523472057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261736008 + 261736009.

It is an arithmetic number, because the mean of its divisors is an integer number (261736009).

Almost surely, 2^523472017 is an apocalyptic number.

It is an amenable number.

523472017 is a deficient number, since it is larger than the sum of its proper divisors (1).

523472017 is an equidigital number, since it uses as much as digits as its factorization.

523472017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 523472017 is about 22879.5108557854. The cubic root of 523472017 is about 805.9309302773.

The spelling of 523472017 in words is "five hundred twenty-three million, four hundred seventy-two thousand, seventeen".