5571481 has 2 divisors, whose sum is σ = 5571482. Its totient is φ = 5571480.

The previous prime is 5571479. The next prime is 5571487. The reversal of 5571481 is 1841755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 1123600 = 2109^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 5571481 - 2¹ = 5571479 is a prime.

It is a super-2 number, since 2×5571481² = 62082801066722, which contains 22 as substring.

Together with 5571479, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5571487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785740 + 2785741.

It is an arithmetic number, because the mean of its divisors is an integer number (2785741).

Almost surely, 2^5571481 is an apocalyptic number.

It is an amenable number.

5571481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571481 is an equidigital number, since it uses as much as digits as its factorization.

5571481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 31.

The square root of 5571481 is about 2360.3984833074. The cubic root of 5571481 is about 177.2788331808.

The spelling of 5571481 in words is "five million, five hundred seventy-one thousand, four hundred eighty-one".