27245401 has 2 divisors, whose sum is σ = 27245402. Its totient is φ = 27245400.

The previous prime is 27245381. The next prime is 27245417. The reversal of 27245401 is 10454272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26255376 + 990025 = 5124^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 27245401 - 2⁵ = 27245369 is a prime.

It is not a weakly prime, because it can be changed into another prime (27245461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13622700 + 13622701.

It is an arithmetic number, because the mean of its divisors is an integer number (13622701).

Almost surely, 2^27245401 is an apocalyptic number.

It is an amenable number.

27245401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27245401 is an equidigital number, since it uses as much as digits as its factorization.

27245401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 27245401 is about 5219.7127315591. The cubic root of 27245401 is about 300.9061527939.

Adding to 27245401 its reverse (10454272), we get a palindrome (37699673).

The spelling of 27245401 in words is "twenty-seven million, two hundred forty-five thousand, four hundred one".