27215141 has 4 divisors (see below), whose sum is σ = 28398432. Its totient is φ = 26031852.

The previous prime is 27215101. The next prime is 27215161. The reversal of 27215141 is 14151272.

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 27215141 - 2⁶ = 27215077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1183267 = 27215141 / (2 + 7 + 2 + 1 + 5 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27215101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591611 + ... + 591656.

It is an arithmetic number, because the mean of its divisors is an integer number (7099608).

Almost surely, 2^27215141 is an apocalyptic number.

It is an amenable number.

27215141 is a deficient number, since it is larger than the sum of its proper divisors (1183291).

27215141 is a wasteful number, since it uses less digits than its factorization.

27215141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183290.

The product of its digits is 560, while the sum is 23.

The square root of 27215141 is about 5216.8132993236. The cubic root of 27215141 is about 300.7947114387.

The spelling of 27215141 in words is "twenty-seven million, two hundred fifteen thousand, one hundred forty-one".