801008261 has 8 divisors (see below), whose sum is σ = 851679360. Its totient is φ = 750731968.

The previous prime is 801008231. The next prime is 801008269. The reversal of 801008261 is 162800108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801008261 - 2¹⁰ = 801007237 is a prime.

It is a super-2 number, since 2×801008261² = 1283228468380488242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 801008261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801008269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94511 + ... + 102636.

It is an arithmetic number, because the mean of its divisors is an integer number (106459920).

Almost surely, 2^801008261 is an apocalyptic number.

It is an amenable number.

801008261 is a deficient number, since it is larger than the sum of its proper divisors (50671099).

801008261 is a wasteful number, since it uses less digits than its factorization.

801008261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197403.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 801008261 is about 28302.0893398350. The cubic root of 801008261 is about 928.7075974137.

Adding to 801008261 its reverse (162800108), we get a palindrome (963808369).

The spelling of 801008261 in words is "eight hundred one million, eight thousand, two hundred sixty-one".