83245765 has 4 divisors (see below), whose sum is σ = 99894924. Its totient is φ = 66596608.

The previous prime is 83245759. The next prime is 83245823. The reversal of 83245765 is 56754238.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46267204 + 36978561 = 6802^2 + 6081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83245765 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8324572 + ... + 8324581.

It is an arithmetic number, because the mean of its divisors is an integer number (24973731).

Almost surely, 2^83245765 is an apocalyptic number.

It is an amenable number.

83245765 is a deficient number, since it is larger than the sum of its proper divisors (16649159).

83245765 is a wasteful number, since it uses less digits than its factorization.

83245765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16649158.

The product of its digits is 201600, while the sum is 40.

The square root of 83245765 is about 9123.9117159254. The cubic root of 83245765 is about 436.6371827758.

The spelling of 83245765 in words is "eighty-three million, two hundred forty-five thousand, seven hundred sixty-five".