8252381 has 2 divisors, whose sum is σ = 8252382. Its totient is φ = 8252380.

The previous prime is 8252371. The next prime is 8252383. The reversal of 8252381 is 1832528.

8252381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 1229881 = 2650^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 8252381 - 2¹⁰ = 8251357 is a prime.

It is a super-2 number, since 2×8252381² = 136203584338322, which contains 22 as substring.

Together with 8252383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8252383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126190 + 4126191.

It is an arithmetic number, because the mean of its divisors is an integer number (4126191).

Almost surely, 2^8252381 is an apocalyptic number.

It is an amenable number.

8252381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252381 is an equidigital number, since it uses as much as digits as its factorization.

8252381 is an evil number, because the sum of its binary digits is even.

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

The square root of 8252381 is about 2872.6957722669. The cubic root of 8252381 is about 202.0814379341.

The spelling of 8252381 in words is "eight million, two hundred fifty-two thousand, three hundred eighty-one".