27523427 has 2 divisors, whose sum is σ = 27523428. Its totient is φ = 27523426.

The previous prime is 27523421. The next prime is 27523439. The reversal of 27523427 is 72432572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27523427 - 2⁴ = 27523411 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27523393 and 27523402.

It is not a weakly prime, because it can be changed into another prime (27523421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13761713 + 13761714.

It is an arithmetic number, because the mean of its divisors is an integer number (13761714).

Almost surely, 2^27523427 is an apocalyptic number.

27523427 is a deficient number, since it is larger than the sum of its proper divisors (1).

27523427 is an equidigital number, since it uses as much as digits as its factorization.

27523427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 32.

The square root of 27523427 is about 5246.2774421489. The cubic root of 27523427 is about 301.9262242488.

Adding to 27523427 its reverse (72432572), we get a palindrome (99955999).

The spelling of 27523427 in words is "twenty-seven million, five hundred twenty-three thousand, four hundred twenty-seven".