27225413 has 2 divisors, whose sum is σ = 27225414. Its totient is φ = 27225412.

The previous prime is 27225397. The next prime is 27225421. The reversal of 27225413 is 31452272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 1803649 = 5042^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 27225413 - 2⁴ = 27225397 is a prime.

It is a super-2 number, since 2×27225413² = 1482446226041138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27225433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13612706 + 13612707.

It is an arithmetic number, because the mean of its divisors is an integer number (13612707).

Almost surely, 2^27225413 is an apocalyptic number.

It is an amenable number.

27225413 is a deficient number, since it is larger than the sum of its proper divisors (1).

27225413 is an equidigital number, since it uses as much as digits as its factorization.

27225413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 27225413 is about 5217.7977155118. The cubic root of 27225413 is about 300.8325503587.

Adding to 27225413 its reverse (31452272), we get a palindrome (58677685).

The spelling of 27225413 in words is "twenty-seven million, two hundred twenty-five thousand, four hundred thirteen".