27445013 has 8 divisors (see below), whose sum is σ = 28515840. Its totient is φ = 26385840.

The previous prime is 27444973. The next prime is 27445027. The reversal of 27445013 is 31054472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27445013 - 2¹⁰ = 27443989 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 (27445213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (3564480).

Almost surely, 2^27445013 is an apocalyptic number.

It is an amenable number.

27445013 is a deficient number, since it is larger than the sum of its proper divisors (1070827).

27445013 is a wasteful number, since it uses less digits than its factorization.

27445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 27445013 is about 5238.7988127051. The cubic root of 27445013 is about 301.6392231410.

Adding to 27445013 its reverse (31054472), we get a palindrome (58499485).

The spelling of 27445013 in words is "twenty-seven million, four hundred forty-five thousand, thirteen".