800001518 has 4 divisors (see below), whose sum is σ = 1200002280. Its totient is φ = 400000758.

The previous prime is 800001463. The next prime is 800001547. The reversal of 800001518 is 815100008.

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

It is a junction number, because it is equal to n+sod(n) for n = 800001493 and 800001502.

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, 200000378 + ... + 200000381.

It is an arithmetic number, because the mean of its divisors is an integer number (300000570).

Almost surely, 2^800001518 is an apocalyptic number.

800001518 is a deficient number, since it is larger than the sum of its proper divisors (400000762).

800001518 is a wasteful number, since it uses less digits than its factorization.

800001518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400000761.

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

The square root of 800001518 is about 28284.2980821515. The cubic root of 800001518 is about 928.3183538832.

It can be divided in two parts, 80000 and 1518, that added together give a palindrome (81518).

The spelling of 800001518 in words is "eight hundred million, one thousand, five hundred eighteen".