8153381 has 2 divisors, whose sum is σ = 8153382. Its totient is φ = 8153380.

The previous prime is 8153371. The next prime is 8153399. The reversal of 8153381 is 1833518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 1522756 = 2575^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 8153381 - 2¹⁰ = 8152357 is a prime.

It is a super-2 number, since 2×8153381² = 132955243462322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8153371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076690 + 4076691.

It is an arithmetic number, because the mean of its divisors is an integer number (4076691).

Almost surely, 2^8153381 is an apocalyptic number.

It is an amenable number.

8153381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8153381 is an equidigital number, since it uses as much as digits as its factorization.

8153381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 8153381 is about 2855.4125796459. The cubic root of 8153381 is about 201.2700922547.

Adding to 8153381 its reverse (1833518), we get a palindrome (9986899).

The spelling of 8153381 in words is "eight million, one hundred fifty-three thousand, three hundred eighty-one".