80245285 has 4 divisors (see below), whose sum is σ = 96294348. Its totient is φ = 64196224.

The previous prime is 80245283. The next prime is 80245289. The reversal of 80245285 is 58254208.

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 32924644 + 47320641 = 5738^2 + 6879^2 .

It is a cyclic number.

It is not a de Polignac number, because 80245285 - 2¹ = 80245283 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 80245285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80245283) 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 3 ways as a sum of consecutive naturals, for example, 8024524 + ... + 8024533.

It is an arithmetic number, because the mean of its divisors is an integer number (24073587).

Almost surely, 2^80245285 is an apocalyptic number.

It is an amenable number.

80245285 is a deficient number, since it is larger than the sum of its proper divisors (16049063).

80245285 is a wasteful number, since it uses less digits than its factorization.

80245285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049062.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 80245285 is about 8957.9732640816. The cubic root of 80245285 is about 431.3268641260.

The spelling of 80245285 in words is "eighty million, two hundred forty-five thousand, two hundred eighty-five".