374204381 has 2 divisors, whose sum is σ = 374204382. Its totient is φ = 374204380.

The previous prime is 374204339. The next prime is 374204387. The reversal of 374204381 is 183402473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341325625 + 32878756 = 18475^2 + 5734^2 .

It is an emirp because it is prime and its reverse (183402473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374204381 is a prime.

It is a super-2 number, since 2×374204381² = 280057837519186322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374204387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187102190 + 187102191.

It is an arithmetic number, because the mean of its divisors is an integer number (187102191).

Almost surely, 2^374204381 is an apocalyptic number.

It is an amenable number.

374204381 is a deficient number, since it is larger than the sum of its proper divisors (1).

374204381 is an equidigital number, since it uses as much as digits as its factorization.

374204381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 374204381 is about 19344.3630290584. The cubic root of 374204381 is about 720.6144324262.

The spelling of 374204381 in words is "three hundred seventy-four million, two hundred four thousand, three hundred eighty-one".