80249535 has 36 divisors (see below), whose sum is σ = 144814488. Its totient is φ = 42633216.

The previous prime is 80249479. The next prime is 80249563. The reversal of 80249535 is 53594208.

80249535 is a `hidden beast` number, since 80 + 2 + 49 + 535 = 666.

It is not a de Polignac number, because 80249535 - 2⁶ = 80249471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80249535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 312127 + ... + 312383.

Almost surely, 2^80249535 is an apocalyptic number.

80249535 is a deficient number, since it is larger than the sum of its proper divisors (64564953).

80249535 is an frugal number, since it uses more digits than its factorization.

80249535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 80249535 is about 8958.2104797778. The cubic root of 80249535 is about 431.3344787243.

The spelling of 80249535 in words is "eighty million, two hundred forty-nine thousand, five hundred thirty-five".