375281 has 2 divisors, whose sum is σ = 375282. Its totient is φ = 375280.

The previous prime is 375259. The next prime is 375283. The reversal of 375281 is 182573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 34225 = 584^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375281 is a prime.

It is a super-2 number, since 2×375281² = 281671657922, which contains 22 as substring.

Together with 375283, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375281.

It is not a weakly prime, because it can be changed into another prime (375283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187640 + 187641.

It is an arithmetic number, because the mean of its divisors is an integer number (187641).

2³⁷⁵²⁸¹ is an apocalyptic number.

It is an amenable number.

375281 is a deficient number, since it is larger than the sum of its proper divisors (1).

375281 is an equidigital number, since it uses as much as digits as its factorization.

375281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 375281 is about 612.6018282702. The cubic root of 375281 is about 72.1304861129.

It can be divided in two parts, 375 and 281, that added together give a palindrome (656).

The spelling of 375281 in words is "three hundred seventy-five thousand, two hundred eighty-one".