27389051 has 4 divisors (see below), whose sum is σ = 28830600. Its totient is φ = 25947504.

The previous prime is 27389041. The next prime is 27389069. The reversal of 27389051 is 15098372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27389051 - 2²² = 23194747 is a prime.

It is a super-2 number, since 2×27389051² = 1500320229361202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27389041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720746 + ... + 720783.

It is an arithmetic number, because the mean of its divisors is an integer number (7207650).

Almost surely, 2^27389051 is an apocalyptic number.

27389051 is a deficient number, since it is larger than the sum of its proper divisors (1441549).

27389051 is a wasteful number, since it uses less digits than its factorization.

27389051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441548.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 27389051 is about 5233.4549773548. The cubic root of 27389051 is about 301.4340635788.

The spelling of 27389051 in words is "twenty-seven million, three hundred eighty-nine thousand, fifty-one".