800131541 has 4 divisors (see below), whose sum is σ = 872870784. Its totient is φ = 727392300.

The previous prime is 800131531. The next prime is 800131543. The reversal of 800131541 is 145131008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 800131541 - 2¹⁴ = 800115157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800131543) 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, 36369605 + ... + 36369626.

It is an arithmetic number, because the mean of its divisors is an integer number (218217696).

Almost surely, 2^800131541 is an apocalyptic number.

It is an amenable number.

800131541 is a deficient number, since it is larger than the sum of its proper divisors (72739243).

800131541 is a wasteful number, since it uses less digits than its factorization.

800131541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72739242.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 800131541 is about 28286.5964902107. The cubic root of 800131541 is about 928.3686438705.

Adding to 800131541 its reverse (145131008), we get a palindrome (945262549).

The spelling of 800131541 in words is "eight hundred million, one hundred thirty-one thousand, five hundred forty-one".