27021485 has 4 divisors (see below), whose sum is σ = 32425788. Its totient is φ = 21617184.

The previous prime is 27021473. The next prime is 27021499. The reversal of 27021485 is 58412072.

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 3031081 + 23990404 = 1741^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 27021485 - 2⁸ = 27021229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702144 + ... + 2702153.

It is an arithmetic number, because the mean of its divisors is an integer number (8106447).

Almost surely, 2^27021485 is an apocalyptic number.

It is an amenable number.

27021485 is a deficient number, since it is larger than the sum of its proper divisors (5404303).

27021485 is an equidigital number, since it uses as much as digits as its factorization.

27021485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404302.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 27021485 is about 5198.2194066815. The cubic root of 27021485 is about 300.0795529766.

The spelling of 27021485 in words is "twenty-seven million, twenty-one thousand, four hundred eighty-five".