27263057 has 2 divisors, whose sum is σ = 27263058. Its totient is φ = 27263056.

The previous prime is 27263051. The next prime is 27263059. The reversal of 27263057 is 75036272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17048641 + 10214416 = 4129^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 27263057 - 2¹² = 27258961 is a prime.

Together with 27263059, 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 (27263051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13631528 + 13631529.

It is an arithmetic number, because the mean of its divisors is an integer number (13631529).

Almost surely, 2^27263057 is an apocalyptic number.

It is an amenable number.

27263057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27263057 is an equidigital number, since it uses as much as digits as its factorization.

27263057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 27263057 is about 5221.4037384596. The cubic root of 27263057 is about 300.9711380957.

The spelling of 27263057 in words is "twenty-seven million, two hundred sixty-three thousand, fifty-seven".