27031401 has 10 divisors (see below), whose sum is σ = 40380362. Its totient is φ = 18020880.

The previous prime is 27031399. The next prime is 27031427. The reversal of 27031401 is 10413072.

It can be written as a sum of positive squares in only one way, i.e., 25765776 + 1265625 = 5076^2 + 1125^2 .

It is not a de Polignac number, because 27031401 - 2¹ = 27031399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27031801) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 166780 + ... + 166941.

Almost surely, 2^27031401 is an apocalyptic number.

It is an amenable number.

27031401 is a deficient number, since it is larger than the sum of its proper divisors (13348961).

27031401 is an equidigital number, since it uses as much as digits as its factorization.

27031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333733 (or 333724 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 27031401 is about 5199.1731073316. The cubic root of 27031401 is about 300.1162549435.

Adding to 27031401 its reverse (10413072), we get a palindrome (37444473).

The spelling of 27031401 in words is "twenty-seven million, thirty-one thousand, four hundred one".