271980901 has 2 divisors, whose sum is σ = 271980902. Its totient is φ = 271980900.

The previous prime is 271980881. The next prime is 271980923. The reversal of 271980901 is 109089172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267976900 + 4004001 = 16370^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 271980901 - 2¹¹ = 271978853 is a prime.

It is a super-2 number, since 2×271980901² = 147947221017543602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271980931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135990450 + 135990451.

It is an arithmetic number, because the mean of its divisors is an integer number (135990451).

Almost surely, 2^271980901 is an apocalyptic number.

It is an amenable number.

271980901 is a deficient number, since it is larger than the sum of its proper divisors (1).

271980901 is an equidigital number, since it uses as much as digits as its factorization.

271980901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 271980901 is about 16491.8434688182. The cubic root of 271980901 is about 647.9071948648.

The spelling of 271980901 in words is "two hundred seventy-one million, nine hundred eighty thousand, nine hundred one".