27201401 has 4 divisors (see below), whose sum is σ = 27936612. Its totient is φ = 26466192.

The previous prime is 27201389. The next prime is 27201403. The reversal of 27201401 is 10410272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 5569600 = 4651^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 27201401 - 2¹⁰ = 27200377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27201401.

It is not an unprimeable number, because it can be changed into a prime (27201403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367550 + ... + 367623.

It is an arithmetic number, because the mean of its divisors is an integer number (6984153).

Almost surely, 2^27201401 is an apocalyptic number.

It is an amenable number.

27201401 is a deficient number, since it is larger than the sum of its proper divisors (735211).

27201401 is an equidigital number, since it uses as much as digits as its factorization.

27201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735210.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 27201401 is about 5215.4962371763. The cubic root of 27201401 is about 300.7440825742.

Adding to 27201401 its reverse (10410272), we get a palindrome (37611673).

The spelling of 27201401 in words is "twenty-seven million, two hundred one thousand, four hundred one".