8045381 has 2 divisors, whose sum is σ = 8045382. Its totient is φ = 8045380.

The previous prime is 8045353. The next prime is 8045393. The reversal of 8045381 is 1835408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 36481 = 2830^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 8045381 - 2¹⁴ = 8028997 is a prime.

It is a super-2 number, since 2×8045381² = 129456310870322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8045321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022690 + 4022691.

It is an arithmetic number, because the mean of its divisors is an integer number (4022691).

Almost surely, 2^8045381 is an apocalyptic number.

It is an amenable number.

8045381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045381 is an equidigital number, since it uses as much as digits as its factorization.

8045381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8045381 is about 2836.4380832304. The cubic root of 8045381 is about 200.3774621634.

The spelling of 8045381 in words is "eight million, forty-five thousand, three hundred eighty-one".