270891061 has 6 divisors (see below), whose sum is σ = 315118230. Its totient is φ = 232192296.

The previous prime is 270891043. The next prime is 270891077. The reversal of 270891061 is 160198072.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 154380625 + 116510436 = 12425^2 + 10794^2 .

It is not a de Polignac number, because 270891061 - 2⁵ = 270891029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270891011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2764146 + ... + 2764243.

It is an arithmetic number, because the mean of its divisors is an integer number (52519705).

Almost surely, 2^270891061 is an apocalyptic number.

It is an amenable number.

270891061 is a deficient number, since it is larger than the sum of its proper divisors (44227169).

270891061 is an equidigital number, since it uses as much as digits as its factorization.

270891061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528403 (or 5528396 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 270891061 is about 16458.7685140778. The cubic root of 270891061 is about 647.0406383956.

The spelling of 270891061 in words is "two hundred seventy million, eight hundred ninety-one thousand, sixty-one".