801401381 has 8 divisors (see below), whose sum is σ = 877348704. Its totient is φ = 725969520.

The previous prime is 801401357. The next prime is 801401401. The reversal of 801401381 is 183104108.

801401381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 801401381 - 2²² = 797207077 is a prime.

It is a super-2 number, since 2×801401381² = 1284488346937414322, 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 801401381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801401281) 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, 125606 + ... + 131831.

It is an arithmetic number, because the mean of its divisors is an integer number (109668588).

Almost surely, 2^801401381 is an apocalyptic number.

It is an amenable number.

801401381 is a deficient number, since it is larger than the sum of its proper divisors (75947323).

801401381 is a wasteful number, since it uses less digits than its factorization.

801401381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257731.

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

The square root of 801401381 is about 28309.0335582125. The cubic root of 801401381 is about 928.8595033876.

Adding to 801401381 its reverse (183104108), we get a palindrome (984505489).

The spelling of 801401381 in words is "eight hundred one million, four hundred one thousand, three hundred eighty-one".