27013245 has 64 divisors (see below), whose sum is σ = 52445184. Its totient is φ = 11612160.

The previous prime is 27013243. The next prime is 27013271. The reversal of 27013245 is 54231072.

It is not a de Polignac number, because 27013245 - 2¹ = 27013243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139869 + ... + 140061.

It is an arithmetic number, because the mean of its divisors is an integer number (819456).

Almost surely, 2^27013245 is an apocalyptic number.

It is an amenable number.

27013245 is a deficient number, since it is larger than the sum of its proper divisors (25431939).

27013245 is a wasteful number, since it uses less digits than its factorization.

27013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27013245 is about 5197.4267671608. The cubic root of 27013245 is about 300.0490475362.

Adding to 27013245 its product of nonzero digits (1680), we get a triangular number (27014925 = T₇₃₅₀).

The spelling of 27013245 in words is "twenty-seven million, thirteen thousand, two hundred forty-five".