27852493 has 4 divisors (see below), whose sum is σ = 28234108. Its totient is φ = 27470880.

The previous prime is 27852463. The next prime is 27852509. The reversal of 27852493 is 39425872.

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 7086244 + 20766249 = 2662^2 + 4557^2 .

It is a cyclic number.

It is not a de Polignac number, because 27852493 - 2¹³ = 27844301 is a prime.

It is a super-2 number, since 2×27852493² = 1551522732630098, which contains 22 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 (27852463) 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, 190698 + ... + 190843.

It is an arithmetic number, because the mean of its divisors is an integer number (7058527).

Almost surely, 2^27852493 is an apocalyptic number.

It is an amenable number.

27852493 is a deficient number, since it is larger than the sum of its proper divisors (381615).

27852493 is an equidigital number, since it uses as much as digits as its factorization.

27852493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381614.

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

The square root of 27852493 is about 5277.5461153836. The cubic root of 27852493 is about 303.1247221877.

The spelling of 27852493 in words is "twenty-seven million, eight hundred fifty-two thousand, four hundred ninety-three".