27053521 has 4 divisors (see below), whose sum is σ = 29512944. Its totient is φ = 24594100.

The previous prime is 27053519. The next prime is 27053531. The reversal of 27053521 is 12535072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27053521 - 2¹ = 27053519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27053501) 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, 1229695 + ... + 1229716.

It is an arithmetic number, because the mean of its divisors is an integer number (7378236).

Almost surely, 2^27053521 is an apocalyptic number.

It is an amenable number.

27053521 is a deficient number, since it is larger than the sum of its proper divisors (2459423).

27053521 is a wasteful number, since it uses less digits than its factorization.

27053521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459422.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 27053521 is about 5201.2999336704. The cubic root of 27053521 is about 300.1980950916.

Adding to 27053521 its reverse (12535072), we get a palindrome (39588593).

It can be divided in two parts, 2705 and 3521, that added together give a palindrome (6226).

The spelling of 27053521 in words is "twenty-seven million, fifty-three thousand, five hundred twenty-one".