267481 has 2 divisors, whose sum is σ = 267482. Its totient is φ = 267480.

The previous prime is 267479. The next prime is 267493. The reversal of 267481 is 184762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 1225 = 516^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 267481 - 2¹ = 267479 is a prime.

It is a super-2 number, since 2×267481² = 143092170722, which contains 22 as substring.

Together with 267479, it forms a pair of twin primes.

267481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (267401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133740 + 133741.

It is an arithmetic number, because the mean of its divisors is an integer number (133741).

2²⁶⁷⁴⁸¹ is an apocalyptic number.

It is an amenable number.

267481 is a deficient number, since it is larger than the sum of its proper divisors (1).

267481 is an equidigital number, since it uses as much as digits as its factorization.

267481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 267481 is about 517.1856533200. The cubic root of 267481 is about 64.4314115760.

The spelling of 267481 in words is "two hundred sixty-seven thousand, four hundred eighty-one".