8265813 has 8 divisors (see below), whose sum is σ = 11050176. Its totient is φ = 5496000.

The previous prime is 8265811. The next prime is 8265821. The reversal of 8265813 is 3185628.

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 8265813 - 2¹ = 8265811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8265811) 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, 2233 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (1381272).

Almost surely, 2^8265813 is an apocalyptic number.

It is an amenable number.

8265813 is a deficient number, since it is larger than the sum of its proper divisors (2784363).

8265813 is a wasteful number, since it uses less digits than its factorization.

8265813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275.

The product of its digits is 11520, while the sum is 33.

The square root of 8265813 is about 2875.0326954663. The cubic root of 8265813 is about 202.1910178855.

The spelling of 8265813 in words is "eight million, two hundred sixty-five thousand, eight hundred thirteen".