270356381 has 2 divisors, whose sum is σ = 270356382. Its totient is φ = 270356380.

The previous prime is 270356347. The next prime is 270356393. The reversal of 270356381 is 183653072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254115481 + 16240900 = 15941^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 270356381 - 2¹⁰ = 270355357 is a prime.

It is a super-2 number, since 2×270356381² = 146185145494834322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270356341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135178190 + 135178191.

It is an arithmetic number, because the mean of its divisors is an integer number (135178191).

Almost surely, 2^270356381 is an apocalyptic number.

It is an amenable number.

270356381 is a deficient number, since it is larger than the sum of its proper divisors (1).

270356381 is an equidigital number, since it uses as much as digits as its factorization.

270356381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 270356381 is about 16442.5174775641. The cubic root of 270356381 is about 646.6146522033.

The spelling of 270356381 in words is "two hundred seventy million, three hundred fifty-six thousand, three hundred eighty-one".