27645153 has 4 divisors (see below), whose sum is σ = 36860208. Its totient is φ = 18430100.

The previous prime is 27645151. The next prime is 27645157. The reversal of 27645153 is 35154672.

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 27645153 - 2¹ = 27645151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27645151) 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, 4607523 + ... + 4607528.

It is an arithmetic number, because the mean of its divisors is an integer number (9215052).

Almost surely, 2^27645153 is an apocalyptic number.

It is an amenable number.

27645153 is a deficient number, since it is larger than the sum of its proper divisors (9215055).

27645153 is an equidigital number, since it uses as much as digits as its factorization.

27645153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215054.

The product of its digits is 25200, while the sum is 33.

The square root of 27645153 is about 5257.8658217950. The cubic root of 27645153 is about 302.3706725814.

The spelling of 27645153 in words is "twenty-seven million, six hundred forty-five thousand, one hundred fifty-three".