671115052 has 12 divisors (see below), whose sum is σ = 1243536840. Its totient is φ = 315818816.

The previous prime is 671115031. The next prime is 671115077. The reversal of 671115052 is 250511176.

It is a self number, because there is not a number n which added to its sum of digits gives 671115052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4934602 + ... + 4934737.

It is an arithmetic number, because the mean of its divisors is an integer number (103628070).

Almost surely, 2^671115052 is an apocalyptic number.

It is an amenable number.

671115052 is a deficient number, since it is larger than the sum of its proper divisors (572421788).

671115052 is a wasteful number, since it uses less digits than its factorization.

671115052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869360 (or 9869358 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 671115052 is about 25905.8883653891. Note that the first 3 decimals coincide. The cubic root of 671115052 is about 875.5191703176.

The spelling of 671115052 in words is "six hundred seventy-one million, one hundred fifteen thousand, fifty-two".