82815303 has 8 divisors (see below), whose sum is σ = 111290368. Its totient is φ = 54775224.

The previous prime is 82815259. The next prime is 82815307. The reversal of 82815303 is 30351828.

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 82815303 - 2¹⁰ = 82814279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82815307) 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, 108301 + ... + 109062.

It is an arithmetic number, because the mean of its divisors is an integer number (13911296).

Almost surely, 2^82815303 is an apocalyptic number.

82815303 is a deficient number, since it is larger than the sum of its proper divisors (28475065).

82815303 is a wasteful number, since it uses less digits than its factorization.

82815303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217493.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 82815303 is about 9100.2913689618. The cubic root of 82815303 is about 435.8832680651.

The spelling of 82815303 in words is "eighty-two million, eight hundred fifteen thousand, three hundred three".