813710052 has 36 divisors (see below), whose sum is σ = 2066122240. Its totient is φ = 270017712.

The previous prime is 813710047. The next prime is 813710081. The reversal of 813710052 is 250017318.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 813709998 and 813710025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42652 + ... + 58707.

Almost surely, 2^813710052 is an apocalyptic number.

It is an amenable number.

813710052 is an abundant number, since it is smaller than the sum of its proper divisors (1252412188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813710052 is a wasteful number, since it uses less digits than its factorization.

813710052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101592 (or 101587 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 813710052 is about 28525.6034467283. The cubic root of 813710052 is about 933.5907935422.

The spelling of 813710052 in words is "eight hundred thirteen million, seven hundred ten thousand, fifty-two".