27149245 has 4 divisors (see below), whose sum is σ = 32579100. Its totient is φ = 21719392.

The previous prime is 27149237. The next prime is 27149261. The reversal of 27149245 is 54294172.

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 6980164 + 20169081 = 2642^2 + 4491^2 .

It is a cyclic number.

It is not a de Polignac number, because 27149245 - 2³ = 27149237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27149245.

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, 2714920 + ... + 2714929.

It is an arithmetic number, because the mean of its divisors is an integer number (8144775).

Almost surely, 2^27149245 is an apocalyptic number.

It is an amenable number.

27149245 is a deficient number, since it is larger than the sum of its proper divisors (5429855).

27149245 is an equidigital number, since it uses as much as digits as its factorization.

27149245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429854.

The product of its digits is 20160, while the sum is 34.

The square root of 27149245 is about 5210.4937386010. The cubic root of 27149245 is about 300.5517438994.

The spelling of 27149245 in words is "twenty-seven million, one hundred forty-nine thousand, two hundred forty-five".