27042653 has 6 divisors (see below), whose sum is σ = 29724702. Its totient is φ = 24584120.

The previous prime is 27042647. The next prime is 27042677. The reversal of 27042653 is 35624072.

It can be written as a sum of positive squares in only one way, i.e., 16297369 + 10745284 = 4037^2 + 3278^2 .

It is not a de Polignac number, because 27042653 - 2⁴ = 27042637 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 (27042683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111626 + ... + 111867.

It is an arithmetic number, because the mean of its divisors is an integer number (4954117).

Almost surely, 2^27042653 is an apocalyptic number.

It is an amenable number.

27042653 is a deficient number, since it is larger than the sum of its proper divisors (2682049).

27042653 is a wasteful number, since it uses less digits than its factorization.

27042653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223515 (or 223504 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 27042653 is about 5200.2550898970. The cubic root of 27042653 is about 300.1578909610.

The spelling of 27042653 in words is "twenty-seven million, forty-two thousand, six hundred fifty-three".