813375901 has 8 divisors (see below), whose sum is σ = 876536864. Its totient is φ = 750299760.

The previous prime is 813375869. The next prime is 813375907. The reversal of 813375901 is 109573318.

It is a happy number.

813375901 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 813375901 - 2⁵ = 813375869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813375907) 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, 531 + ... + 40336.

It is an arithmetic number, because the mean of its divisors is an integer number (109567108).

Almost surely, 2^813375901 is an apocalyptic number.

It is an amenable number.

813375901 is a deficient number, since it is larger than the sum of its proper divisors (63160963).

813375901 is a wasteful number, since it uses less digits than its factorization.

813375901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42411.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 813375901 is about 28519.7458088252. The cubic root of 813375901 is about 933.4629826557.

The spelling of 813375901 in words is "eight hundred thirteen million, three hundred seventy-five thousand, nine hundred one".