83312485 has 8 divisors (see below), whose sum is σ = 100090656. Its totient is φ = 66572880.

The previous prime is 83312443. The next prime is 83312497. The reversal of 83312485 is 58421338.

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 83312485 - 2¹³ = 83304293 is a prime.

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 83312485.

It is a congruent 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, 4651 + ... + 13720.

It is an arithmetic number, because the mean of its divisors is an integer number (12511332).

Almost surely, 2^83312485 is an apocalyptic number.

It is an amenable number.

83312485 is a deficient number, since it is larger than the sum of its proper divisors (16778171).

83312485 is a wasteful number, since it uses less digits than its factorization.

83312485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283.

The product of its digits is 23040, while the sum is 34.

The square root of 83312485 is about 9127.5673100778. The cubic root of 83312485 is about 436.7538039366.

It can be divided in two parts, 8331 and 2485, that added together give a square (10816 = 104²).

The spelling of 83312485 in words is "eighty-three million, three hundred twelve thousand, four hundred eighty-five".