801281326 has 4 divisors (see below), whose sum is σ = 1201921992. Its totient is φ = 400640662.

The previous prime is 801281321. The next prime is 801281387. The reversal of 801281326 is 623182108.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801281321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200320330 + ... + 200320333.

It is an arithmetic number, because the mean of its divisors is an integer number (300480498).

Almost surely, 2^801281326 is an apocalyptic number.

801281326 is a deficient number, since it is larger than the sum of its proper divisors (400640666).

801281326 is a wasteful number, since it uses less digits than its factorization.

801281326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400640665.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 801281326 is about 28306.9130425767. The cubic root of 801281326 is about 928.8131180600.

The spelling of 801281326 in words is "eight hundred one million, two hundred eighty-one thousand, three hundred twenty-six".