813425446 has 8 divisors (see below), whose sum is σ = 1220513184. Its totient is φ = 406587720.

The previous prime is 813425443. The next prime is 813425479. The reversal of 813425446 is 644524318.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813425441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54145 + ... + 67516.

It is an arithmetic number, because the mean of its divisors is an integer number (152564148).

Almost surely, 2^813425446 is an apocalyptic number.

813425446 is a deficient number, since it is larger than the sum of its proper divisors (407087738).

813425446 is a wasteful number, since it uses less digits than its factorization.

813425446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125006.

The product of its digits is 92160, while the sum is 37.

The square root of 813425446 is about 28520.6144043217. The cubic root of 813425446 is about 933.4819355508.

The spelling of 813425446 in words is "eight hundred thirteen million, four hundred twenty-five thousand, four hundred forty-six".