80481651 has 8 divisors (see below), whose sum is σ = 108258960. Its totient is φ = 53179392.

The previous prime is 80481649. The next prime is 80481677. The reversal of 80481651 is 15618408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80481651 - 2¹ = 80481649 is a prime.

It is a super-2 number, since 2×80481651² = 12954592295371602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (80481601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 118366 + ... + 119043.

It is an arithmetic number, because the mean of its divisors is an integer number (13532370).

Almost surely, 2^80481651 is an apocalyptic number.

80481651 is a deficient number, since it is larger than the sum of its proper divisors (27777309).

80481651 is a wasteful number, since it uses less digits than its factorization.

80481651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237525.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 80481651 is about 8971.1566143948. The cubic root of 80481651 is about 431.7499463822.

The spelling of 80481651 in words is "eighty million, four hundred eighty-one thousand, six hundred fifty-one".