270053981 has 2 divisors, whose sum is σ = 270053982. Its totient is φ = 270053980.

The previous prime is 270053977. The next prime is 270054023. The reversal of 270053981 is 189350072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171845881 + 98208100 = 13109^2 + 9910^2 .

It is a cyclic number.

It is not a de Polignac number, because 270053981 - 2² = 270053977 is a prime.

It is a super-2 number, since 2×270053981² = 145858305307896722, 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 (270053911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135026990 + 135026991.

It is an arithmetic number, because the mean of its divisors is an integer number (135026991).

Almost surely, 2^270053981 is an apocalyptic number.

It is an amenable number.

270053981 is a deficient number, since it is larger than the sum of its proper divisors (1).

270053981 is an equidigital number, since it uses as much as digits as its factorization.

270053981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 270053981 is about 16433.3192325835. The cubic root of 270053981 is about 646.3734776723.

The spelling of 270053981 in words is "two hundred seventy million, fifty-three thousand, nine hundred eighty-one".