8493151 has 2 divisors, whose sum is σ = 8493152. Its totient is φ = 8493150.

The previous prime is 8493139. The next prime is 8493157. The reversal of 8493151 is 1513948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8493151 - 2²³ = 104543 is a prime.

It is a super-2 number, since 2×8493151² = 144267227817602, 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 (8493157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246575 + 4246576.

It is an arithmetic number, because the mean of its divisors is an integer number (4246576).

Almost surely, 2^8493151 is an apocalyptic number.

8493151 is a deficient number, since it is larger than the sum of its proper divisors (1).

8493151 is an equidigital number, since it uses as much as digits as its factorization.

8493151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 8493151 is about 2914.3011169061. The cubic root of 8493151 is about 204.0279261398.

The spelling of 8493151 in words is "eight million, four hundred ninety-three thousand, one hundred fifty-one".