374957281 has 2 divisors, whose sum is σ = 374957282. Its totient is φ = 374957280.

The previous prime is 374957279. The next prime is 374957333. The reversal of 374957281 is 182759473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235929600 + 139027681 = 15360^2 + 11791^2 .

It is a cyclic number.

It is not a de Polignac number, because 374957281 - 2¹ = 374957279 is a prime.

It is a super-2 number, since 2×374957281² = 281185925149825922, which contains 22 as substring.

Together with 374957279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (374957221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187478640 + 187478641.

It is an arithmetic number, because the mean of its divisors is an integer number (187478641).

Almost surely, 2^374957281 is an apocalyptic number.

It is an amenable number.

374957281 is a deficient number, since it is larger than the sum of its proper divisors (1).

374957281 is an equidigital number, since it uses as much as digits as its factorization.

374957281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 374957281 is about 19363.8136997855. The cubic root of 374957281 is about 721.0974012430.

The spelling of 374957281 in words is "three hundred seventy-four million, nine hundred fifty-seven thousand, two hundred eighty-one".