8151249 has 8 divisors (see below), whose sum is σ = 10907872. Its totient is φ = 5414400.

The previous prime is 8151229. The next prime is 8151259. The reversal of 8151249 is 9421518.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8151249 - 2⁵ = 8151217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8151229) 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 in 7 ways as a sum of consecutive naturals, for example, 3952 + ... + 5649.

It is an arithmetic number, because the mean of its divisors is an integer number (1363484).

Almost surely, 2^8151249 is an apocalyptic number.

It is an amenable number.

8151249 is a deficient number, since it is larger than the sum of its proper divisors (2756623).

8151249 is a wasteful number, since it uses less digits than its factorization.

8151249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887.

The product of its digits is 2880, while the sum is 30.

The square root of 8151249 is about 2855.0392291526. The cubic root of 8151249 is about 201.2525475804.

The spelling of 8151249 in words is "eight million, one hundred fifty-one thousand, two hundred forty-nine".