80001518 has 4 divisors (see below), whose sum is σ = 120002280. Its totient is φ = 40000758.

The previous prime is 80001487. The next prime is 80001557. The reversal of 80001518 is 81510008.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80001493 and 80001502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000378 + ... + 20000381.

It is an arithmetic number, because the mean of its divisors is an integer number (30000570).

Almost surely, 2^80001518 is an apocalyptic number.

80001518 is a deficient number, since it is larger than the sum of its proper divisors (40000762).

80001518 is a wasteful number, since it uses less digits than its factorization.

80001518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000761.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 80001518 is about 8944.3567683764. The cubic root of 80001518 is about 430.8896633490.

The spelling of 80001518 in words is "eighty million, one thousand, five hundred eighteen".