27825349 has 4 divisors (see below), whose sum is σ = 27850636. Its totient is φ = 27800064.

The previous prime is 27825341. The next prime is 27825353. The reversal of 27825349 is 94352872.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 10336225 = 4182^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 27825349 - 2³ = 27825341 is a prime.

It is a super-3 number, since 3×27825349³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27825341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10914 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (6962659).

Almost surely, 2^27825349 is an apocalyptic number.

It is an amenable number.

27825349 is a deficient number, since it is larger than the sum of its proper divisors (25287).

27825349 is a wasteful number, since it uses less digits than its factorization.

27825349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25286.

The product of its digits is 120960, while the sum is 40.

The square root of 27825349 is about 5274.9738387977. The cubic root of 27825349 is about 303.0262188352.

The spelling of 27825349 in words is "twenty-seven million, eight hundred twenty-five thousand, three hundred forty-nine".