5572981 has 2 divisors, whose sum is σ = 5572982. Its totient is φ = 5572980.

The previous prime is 5572979. The next prime is 5572997. The reversal of 5572981 is 1892755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 8100 = 2359^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 5572981 - 2¹ = 5572979 is a prime.

It is a super-2 number, since 2×5572981² = 62116234452722, which contains 22 as substring.

Together with 5572979, it forms a pair of twin primes.

5572981 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5572981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5572921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786490 + 2786491.

It is an arithmetic number, because the mean of its divisors is an integer number (2786491).

Almost surely, 2^5572981 is an apocalyptic number.

It is an amenable number.

5572981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5572981 is an equidigital number, since it uses as much as digits as its factorization.

5572981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 5572981 is about 2360.7162048836. The cubic root of 5572981 is about 177.2947412424.

The spelling of 5572981 in words is "five million, five hundred seventy-two thousand, nine hundred eighty-one".