80535263 has 4 divisors (see below), whose sum is σ = 81150168. Its totient is φ = 79920360.

The previous prime is 80535227. The next prime is 80535269. The reversal of 80535263 is 36253508.

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

It is a cyclic number.

It is not a de Polignac number, because 80535263 - 2¹⁰ = 80534239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80535269) 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, 307256 + ... + 307517.

It is an arithmetic number, because the mean of its divisors is an integer number (20287542).

Almost surely, 2^80535263 is an apocalyptic number.

80535263 is a deficient number, since it is larger than the sum of its proper divisors (614905).

80535263 is a wasteful number, since it uses less digits than its factorization.

80535263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614904.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 80535263 is about 8974.1441374651. The cubic root of 80535263 is about 431.8457936552.

The spelling of 80535263 in words is "eighty million, five hundred thirty-five thousand, two hundred sixty-three".