801005401 has 24 divisors (see below), whose sum is σ = 983582880. Its totient is φ = 648611712.

The previous prime is 801005389. The next prime is 801005423. The reversal of 801005401 is 104500108.

It is not a de Polignac number, because 801005401 - 2²³ = 792616793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (801005441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402130 + ... + 404116.

It is an arithmetic number, because the mean of its divisors is an integer number (40982620).

Almost surely, 2^801005401 is an apocalyptic number.

It is an amenable number.

801005401 is a deficient number, since it is larger than the sum of its proper divisors (182577479).

801005401 is a wasteful number, since it uses less digits than its factorization.

801005401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 801005401 is about 28302.0388134848. The cubic root of 801005401 is about 928.7064920955.

Adding to 801005401 its reverse (104500108), we get a palindrome (905505509).

The spelling of 801005401 in words is "eight hundred one million, five thousand, four hundred one".