801100393 has 2 divisors, whose sum is σ = 801100394. Its totient is φ = 801100392.

The previous prime is 801100337. The next prime is 801100411. The reversal of 801100393 is 393001108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649638144 + 151462249 = 25488^2 + 12307^2 .

It is a cyclic number.

It is not a de Polignac number, because 801100393 - 2²⁹ = 264229481 is a prime.

It is a super-3 number, since 3×801100393³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (801100093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400550196 + 400550197.

It is an arithmetic number, because the mean of its divisors is an integer number (400550197).

Almost surely, 2^801100393 is an apocalyptic number.

It is an amenable number.

801100393 is a deficient number, since it is larger than the sum of its proper divisors (1).

801100393 is an equidigital number, since it uses as much as digits as its factorization.

801100393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 801100393 is about 28303.7169467192. The cubic root of 801100393 is about 928.7432027094.

The spelling of 801100393 in words is "eight hundred one million, one hundred thousand, three hundred ninety-three".