27020569 has 2 divisors, whose sum is σ = 27020570. Its totient is φ = 27020568.

The previous prime is 27020563. The next prime is 27020573. The reversal of 27020569 is 96502072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26904969 + 115600 = 5187^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 27020569 - 2¹¹ = 27018521 is a prime.

It is a super-2 number, since 2×27020569² = 1460222298167522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27020569.

It is not a weakly prime, because it can be changed into another prime (27020563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13510284 + 13510285.

It is an arithmetic number, because the mean of its divisors is an integer number (13510285).

Almost surely, 2^27020569 is an apocalyptic number.

It is an amenable number.

27020569 is a deficient number, since it is larger than the sum of its proper divisors (1).

27020569 is an equidigital number, since it uses as much as digits as its factorization.

27020569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 27020569 is about 5198.1312988419. The cubic root of 27020569 is about 300.0761621443.

The spelling of 27020569 in words is "twenty-seven million, twenty thousand, five hundred sixty-nine".