8021249 has 8 divisors (see below), whose sum is σ = 8490240. Its totient is φ = 7556976.

The previous prime is 8021239. The next prime is 8021257. The reversal of 8021249 is 9421208.

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

It is a cyclic number.

It is not a de Polignac number, because 8021249 - 2⁸ = 8020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8021239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (1061280).

Almost surely, 2^8021249 is an apocalyptic number.

It is an amenable number.

8021249 is a deficient number, since it is larger than the sum of its proper divisors (468991).

8021249 is a wasteful number, since it uses less digits than its factorization.

8021249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8021249 is about 2832.1809617325. The cubic root of 8021249 is about 200.1769184532.

The spelling of 8021249 in words is "eight million, twenty-one thousand, two hundred forty-nine".