80681503 has 4 divisors (see below), whose sum is σ = 92207440. Its totient is φ = 69155568.

The previous prime is 80681501. The next prime is 80681519. The reversal of 80681503 is 30518608.

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 80681503 - 2¹ = 80681501 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 (80681501) 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, 5762958 + ... + 5762971.

It is an arithmetic number, because the mean of its divisors is an integer number (23051860).

Almost surely, 2^80681503 is an apocalyptic number.

80681503 is a deficient number, since it is larger than the sum of its proper divisors (11525937).

80681503 is a wasteful number, since it uses less digits than its factorization.

80681503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525936.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80681503 is about 8982.2882941932. The cubic root of 80681503 is about 432.1070247378.

The spelling of 80681503 in words is "eighty million, six hundred eighty-one thousand, five hundred three".