371281 has 2 divisors, whose sum is σ = 371282. Its totient is φ = 371280.

The previous prime is 371257. The next prime is 371291. The reversal of 371281 is 182173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370881 + 400 = 609^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 371281 - 2⁵ = 371249 is a prime.

It is a super-2 number, since 2×371281² = 275699161922, which contains 22 as substring.

371281 is a lucky number.

It is a nialpdrome in base 13 and base 14.

It is not a weakly prime, because it can be changed into another prime (371251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185640 + 185641.

It is an arithmetic number, because the mean of its divisors is an integer number (185641).

2³⁷¹²⁸¹ is an apocalyptic number.

371281 is the 273-rd centered decagonal number.

It is an amenable number.

371281 is a deficient number, since it is larger than the sum of its proper divisors (1).

371281 is an equidigital number, since it uses as much as digits as its factorization.

371281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 371281 is about 609.3283187248. The cubic root of 371281 is about 71.8732982584.

The spelling of 371281 in words is "three hundred seventy-one thousand, two hundred eighty-one".