82500385 has 8 divisors (see below), whose sum is σ = 108000576. Its totient is φ = 60000240.

The previous prime is 82500377. The next prime is 82500391. The reversal of 82500385 is 58300528.

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

It is not a de Polignac number, because 82500385 - 2³ = 82500377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749949 + ... + 750058.

It is an arithmetic number, because the mean of its divisors is an integer number (13500072).

Almost surely, 2^82500385 is an apocalyptic number.

It is an amenable number.

82500385 is a deficient number, since it is larger than the sum of its proper divisors (25500191).

82500385 is a wasteful number, since it uses less digits than its factorization.

82500385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500023.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 82500385 is about 9082.9722558202. The cubic root of 82500385 is about 435.3300617367.

The spelling of 82500385 in words is "eighty-two million, five hundred thousand, three hundred eighty-five".