813625341 has 4 divisors (see below), whose sum is σ = 1084833792. Its totient is φ = 542416892.

The previous prime is 813625333. The next prime is 813625387. The reversal of 813625341 is 143526318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 813625341 - 2³ = 813625333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813625741) 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, 135604221 + ... + 135604226.

It is an arithmetic number, because the mean of its divisors is an integer number (271208448).

Almost surely, 2^813625341 is an apocalyptic number.

It is an amenable number.

813625341 is a deficient number, since it is larger than the sum of its proper divisors (271208451).

813625341 is a wasteful number, since it uses less digits than its factorization.

813625341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271208450.

The product of its digits is 17280, while the sum is 33.

The square root of 813625341 is about 28524.1185841035. The cubic root of 813625341 is about 933.5583953703.

The spelling of 813625341 in words is "eight hundred thirteen million, six hundred twenty-five thousand, three hundred forty-one".