27552251 has 2 divisors, whose sum is σ = 27552252. Its totient is φ = 27552250.

The previous prime is 27552247. The next prime is 27552253. The reversal of 27552251 is 15225572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27552251 - 2² = 27552247 is a prime.

Together with 27552253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27552253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776125 + 13776126.

It is an arithmetic number, because the mean of its divisors is an integer number (13776126).

Almost surely, 2^27552251 is an apocalyptic number.

27552251 is a deficient number, since it is larger than the sum of its proper divisors (1).

27552251 is an equidigital number, since it uses as much as digits as its factorization.

27552251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 29.

The square root of 27552251 is about 5249.0238140058. The cubic root of 27552251 is about 302.0315852233.

The spelling of 27552251 in words is "twenty-seven million, five hundred fifty-two thousand, two hundred fifty-one".