27253985 has 8 divisors (see below), whose sum is σ = 35678016. Its totient is φ = 19821040.

The previous prime is 27253979. The next prime is 27253987. The reversal of 27253985 is 58935272.

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

It is not a de Polignac number, because 27253985 - 2¹² = 27249889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27253987) 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, 247709 + ... + 247818.

It is an arithmetic number, because the mean of its divisors is an integer number (4459752).

Almost surely, 2^27253985 is an apocalyptic number.

It is an amenable number.

27253985 is a deficient number, since it is larger than the sum of its proper divisors (8424031).

27253985 is a wasteful number, since it uses less digits than its factorization.

27253985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495543.

The product of its digits is 151200, while the sum is 41.

The square root of 27253985 is about 5220.5349342764. The cubic root of 27253985 is about 300.9377508753.

The spelling of 27253985 in words is "twenty-seven million, two hundred fifty-three thousand, nine hundred eighty-five".