80285501 has 4 divisors (see below), whose sum is σ = 80327100. Its totient is φ = 80243904.

The previous prime is 80285477. The next prime is 80285531. The reversal of 80285501 is 10558208.

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 69388900 + 10896601 = 8330^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 80285501 - 2⁶ = 80285437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80285531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17756 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (20081775).

Almost surely, 2^80285501 is an apocalyptic number.

It is an amenable number.

80285501 is a deficient number, since it is larger than the sum of its proper divisors (41599).

80285501 is a wasteful number, since it uses less digits than its factorization.

80285501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41598.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 80285501 is about 8960.2176870877. The cubic root of 80285501 is about 431.3989071718.

The spelling of 80285501 in words is "eighty million, two hundred eighty-five thousand, five hundred one".