8149243 has 2 divisors, whose sum is σ = 8149244. Its totient is φ = 8149242.

The previous prime is 8149237. The next prime is 8149247. The reversal of 8149243 is 3429418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8149243 - 2²¹ = 6052091 is a prime.

It is a super-2 number, since 2×8149243² = 132820322946098, which contains 22 as substring.

It is an Ulam number.

It is equal to p₅₄₉₀₉₄ and since 8149243 and 549094 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8149247) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074621 + 4074622.

It is an arithmetic number, because the mean of its divisors is an integer number (4074622).

Almost surely, 2^8149243 is an apocalyptic number.

8149243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149243 is an equidigital number, since it uses as much as digits as its factorization.

8149243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 8149243 is about 2854.6878988779. The cubic root of 8149243 is about 201.2360369927.

The spelling of 8149243 in words is "eight million, one hundred forty-nine thousand, two hundred forty-three".