11571473 has 2 divisors, whose sum is σ = 11571474. Its totient is φ = 11571472.

The previous prime is 11571467. The next prime is 11571481. The reversal of 11571473 is 37417511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10387729 + 1183744 = 3223^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 11571473 - 2⁴ = 11571457 is a prime.

It is not a weakly prime, because it can be changed into another prime (11571433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785736 + 5785737.

It is an arithmetic number, because the mean of its divisors is an integer number (5785737).

Almost surely, 2^11571473 is an apocalyptic number.

It is an amenable number.

11571473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571473 is an equidigital number, since it uses as much as digits as its factorization.

11571473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 11571473 is about 3401.6867874629. The cubic root of 11571473 is about 226.1845218170.

Adding to 11571473 its reverse (37417511), we get a palindrome (48988984).

The spelling of 11571473 in words is "eleven million, five hundred seventy-one thousand, four hundred seventy-three".