27852453 has 12 divisors (see below), whose sum is σ = 41319148. Its totient is φ = 18066240.

The previous prime is 27852449. The next prime is 27852463. The reversal of 27852453 is 35425872.

It can be written as a sum of positive squares in 2 ways, for example, as 9474084 + 18378369 = 3078^2 + 4287^2 .

It is not a de Polignac number, because 27852453 - 2² = 27852449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27852463) 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, 41488 + ... + 42153.

Almost surely, 2^27852453 is an apocalyptic number.

It is an amenable number.

27852453 is a deficient number, since it is larger than the sum of its proper divisors (13466695).

27852453 is a wasteful number, since it uses less digits than its factorization.

27852453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83684 (or 83681 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 27852453 is about 5277.5423257422. The cubic root of 27852453 is about 303.1245770781.

The spelling of 27852453 in words is "twenty-seven million, eight hundred fifty-two thousand, four hundred fifty-three".