27020957 has 2 divisors, whose sum is σ = 27020958. Its totient is φ = 27020956.

The previous prime is 27020951. The next prime is 27020963. The reversal of 27020957 is 75902072.

It is a balanced prime because it is at equal distance from previous prime (27020951) and next prime (27020963).

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 198916 = 5179^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 27020957 - 2⁴ = 27020941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27020951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13510478 + 13510479.

It is an arithmetic number, because the mean of its divisors is an integer number (13510479).

Almost surely, 2^27020957 is an apocalyptic number.

It is an amenable number.

27020957 is a deficient number, since it is larger than the sum of its proper divisors (1).

27020957 is an equidigital number, since it uses as much as digits as its factorization.

27020957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 27020957 is about 5198.1686198122. The cubic root of 27020957 is about 300.0775984451.

The spelling of 27020957 in words is "twenty-seven million, twenty thousand, nine hundred fifty-seven".