27153243 has 12 divisors (see below), whose sum is σ = 42238560. Its totient is φ = 16709616.

The previous prime is 27153211. The next prime is 27153257. The reversal of 27153243 is 34235172.

It is not a de Polignac number, because 27153243 - 2⁵ = 27153211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27153443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115923 + ... + 116156.

It is an arithmetic number, because the mean of its divisors is an integer number (3519880).

Almost surely, 2^27153243 is an apocalyptic number.

27153243 is a deficient number, since it is larger than the sum of its proper divisors (15085317).

27153243 is a wasteful number, since it uses less digits than its factorization.

27153243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232098 (or 232095 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 27153243 is about 5210.8773733413. The cubic root of 27153243 is about 300.5664962666.

The spelling of 27153243 in words is "twenty-seven million, one hundred fifty-three thousand, two hundred forty-three".