8481515 has 8 divisors (see below), whose sum is σ = 11631840. Its totient is φ = 5815872.

The previous prime is 8481511. The next prime is 8481559. The reversal of 8481515 is 5151848.

8481515 = 313² + 314² + ... + 382².

8481515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8481515 - 2² = 8481511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8481511) 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, 121130 + ... + 121199.

It is an arithmetic number, because the mean of its divisors is an integer number (1453980).

Almost surely, 2^8481515 is an apocalyptic number.

8481515 is a deficient number, since it is larger than the sum of its proper divisors (3150325).

8481515 is a wasteful number, since it uses less digits than its factorization.

8481515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242341.

The product of its digits is 6400, while the sum is 32.

The square root of 8481515 is about 2912.3040706630. The cubic root of 8481515 is about 203.9347077348.

The spelling of 8481515 in words is "eight million, four hundred eighty-one thousand, five hundred fifteen".