80673251 has 4 divisors (see below), whose sum is σ = 81505032. Its totient is φ = 79841472.

The previous prime is 80673227. The next prime is 80673269. The reversal of 80673251 is 15237608.

80673251 = T₂₀₈ + T₂₀₉ + ... + T₇₈₉.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80673251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80673451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415745 + ... + 415938.

It is an arithmetic number, because the mean of its divisors is an integer number (20376258).

Almost surely, 2^80673251 is an apocalyptic number.

80673251 is a deficient number, since it is larger than the sum of its proper divisors (831781).

80673251 is an equidigital number, since it uses as much as digits as its factorization.

80673251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831780.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 80673251 is about 8981.8289340201. The cubic root of 80673251 is about 432.0922924526.

The spelling of 80673251 in words is "eighty million, six hundred seventy-three thousand, two hundred fifty-one".