800512151 has 4 divisors (see below), whose sum is σ = 800606400. Its totient is φ = 800417904.

The previous prime is 800512147. The next prime is 800512157. The reversal of 800512151 is 151215008.

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 800512151 - 2² = 800512147 is a prime.

It is a super-3 number, since 3×800512151³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800512157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32966 + ... + 51843.

It is an arithmetic number, because the mean of its divisors is an integer number (200151600).

Almost surely, 2^800512151 is an apocalyptic number.

800512151 is a deficient number, since it is larger than the sum of its proper divisors (94249).

800512151 is an equidigital number, since it uses as much as digits as its factorization.

800512151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94248.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 800512151 is about 28293.3234350438. The cubic root of 800512151 is about 928.5158239941.

Adding to 800512151 its reverse (151215008), we get a palindrome (951727159).

The spelling of 800512151 in words is "eight hundred million, five hundred twelve thousand, one hundred fifty-one".