297481 has 2 divisors, whose sum is σ = 297482. Its totient is φ = 297480.

The previous prime is 297469. The next prime is 297487. The reversal of 297481 is 184792.

297481 is nontrivially palindromic in base 8.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 67081 = 480^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 297481 - 2⁹ = 296969 is a prime.

It is a super-2 number, since 2×297481² = 176989890722, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (297487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148740 + 148741.

It is an arithmetic number, because the mean of its divisors is an integer number (148741).

2²⁹⁷⁴⁸¹ is an apocalyptic number.

It is an amenable number.

297481 is a deficient number, since it is larger than the sum of its proper divisors (1).

297481 is an equidigital number, since it uses as much as digits as its factorization.

297481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 297481 is about 545.4181881822. The cubic root of 297481 is about 66.7554012846.

The spelling of 297481 in words is "two hundred ninety-seven thousand, four hundred eighty-one".