374342281 has 2 divisors, whose sum is σ = 374342282. Its totient is φ = 374342280.

The previous prime is 374342251. The next prime is 374342291. The reversal of 374342281 is 182243473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356869881 + 17472400 = 18891^2 + 4180^2 .

It is an emirp because it is prime and its reverse (182243473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374342281 - 2⁵ = 374342249 is a prime.

It is a super-2 number, since 2×374342281² = 280264286688565922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (374342231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187171140 + 187171141.

It is an arithmetic number, because the mean of its divisors is an integer number (187171141).

Almost surely, 2^374342281 is an apocalyptic number.

It is an amenable number.

374342281 is a deficient number, since it is larger than the sum of its proper divisors (1).

374342281 is an equidigital number, since it uses as much as digits as its factorization.

374342281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 374342281 is about 19347.9270465856. The cubic root of 374342281 is about 720.7029406773.

The spelling of 374342281 in words is "three hundred seventy-four million, three hundred forty-two thousand, two hundred eighty-one".