270557069 has 2 divisors, whose sum is σ = 270557070. Its totient is φ = 270557068.

The previous prime is 270557059. The next prime is 270557101. The reversal of 270557069 is 960755072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263640169 + 6916900 = 16237^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 270557069 - 2²⁰ = 269508493 is a prime.

It is a super-2 number, since 2×270557069² = 146402255171741522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270557029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135278534 + 135278535.

It is an arithmetic number, because the mean of its divisors is an integer number (135278535).

Almost surely, 2^270557069 is an apocalyptic number.

It is an amenable number.

270557069 is a deficient number, since it is larger than the sum of its proper divisors (1).

270557069 is an equidigital number, since it uses as much as digits as its factorization.

270557069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 270557069 is about 16448.6190605777. The cubic root of 270557069 is about 646.7746086094.

The spelling of 270557069 in words is "two hundred seventy million, five hundred fifty-seven thousand, sixty-nine".