27253289 has 8 divisors (see below), whose sum is σ = 31734720. Its totient is φ = 22918896.

The previous prime is 27253267. The next prime is 27253307. The reversal of 27253289 is 98235272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27253289 - 2¹² = 27249193 is a prime.

It is a super-2 number, since 2×27253289² = 1485483522635042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27253189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36359 + ... + 37100.

It is an arithmetic number, because the mean of its divisors is an integer number (3966840).

Almost surely, 2^27253289 is an apocalyptic number.

It is an amenable number.

27253289 is a deficient number, since it is larger than the sum of its proper divisors (4481431).

27253289 is an equidigital number, since it uses as much as digits as its factorization.

27253289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73519.

The product of its digits is 60480, while the sum is 38.

The square root of 27253289 is about 5220.4682740153. The cubic root of 27253289 is about 300.9351891159.

The spelling of 27253289 in words is "twenty-seven million, two hundred fifty-three thousand, two hundred eighty-nine".