270547021 has 2 divisors, whose sum is σ = 270547022. Its totient is φ = 270547020.

The previous prime is 270547009. The next prime is 270547031. The reversal of 270547021 is 120745072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 88566921 = 13490^2 + 9411^2 .

It is a cyclic number.

It is not a de Polignac number, because 270547021 - 2⁵ = 270546989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270547001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135273510 + 135273511.

It is an arithmetic number, because the mean of its divisors is an integer number (135273511).

Almost surely, 2^270547021 is an apocalyptic number.

It is an amenable number.

270547021 is a deficient number, since it is larger than the sum of its proper divisors (1).

270547021 is an equidigital number, since it uses as much as digits as its factorization.

270547021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 270547021 is about 16448.3136217668. The cubic root of 270547021 is about 646.7666018308.

The spelling of 270547021 in words is "two hundred seventy million, five hundred forty-seven thousand, twenty-one".