801580151 has 4 divisors (see below), whose sum is σ = 843768600. Its totient is φ = 759391704.

The previous prime is 801580147. The next prime is 801580177. The reversal of 801580151 is 151085108.

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 801580151 - 2² = 801580147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801580111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21094196 + ... + 21094233.

It is an arithmetic number, because the mean of its divisors is an integer number (210942150).

Almost surely, 2^801580151 is an apocalyptic number.

801580151 is a deficient number, since it is larger than the sum of its proper divisors (42188449).

801580151 is a wasteful number, since it uses less digits than its factorization.

801580151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42188448.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 801580151 is about 28312.1908548244. The cubic root of 801580151 is about 928.9285656876.

The spelling of 801580151 in words is "eight hundred one million, five hundred eighty thousand, one hundred fifty-one".