8212481 has 8 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 7899472.

The previous prime is 8212471. The next prime is 8212487. The reversal of 8212481 is 1842128.

8212481 is digitally balanced in base 3, 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 8212481 - 2¹⁰ = 8211457 is a prime.

It is a super-2 number, since 2×8212481² = 134889688350722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8212481.

It is not an unprimeable number, because it can be changed into a prime (8212487) 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, 14306 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (1065960).

It is a Proth number, since it is equal to 2005 ⋅ 2¹² + 1 and 2005 < 2¹².

Almost surely, 2^8212481 is an apocalyptic number.

It is an amenable number.

8212481 is a deficient number, since it is larger than the sum of its proper divisors (315199).

8212481 is a wasteful number, since it uses less digits than its factorization.

8212481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 1024, while the sum is 26.

The square root of 8212481 is about 2865.7426611613. The cubic root of 8212481 is about 201.7552258483.

The spelling of 8212481 in words is "eight million, two hundred twelve thousand, four hundred eighty-one".