671315043 has 18 divisors (see below), whose sum is σ = 1041710796. Its totient is φ = 383429088.

The previous prime is 671314999. The next prime is 671315101. The reversal of 671315043 is 340513176.

It is not a de Polignac number, because 671315043 - 2⁹ = 671314531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671315043.

It is not an unprimeable number, because it can be changed into a prime (671315243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 313071 + ... + 315207.

It is an arithmetic number, because the mean of its divisors is an integer number (57872822).

Almost surely, 2^671315043 is an apocalyptic number.

671315043 is a deficient number, since it is larger than the sum of its proper divisors (370395753).

671315043 is an frugal number, since it uses more digits than its factorization.

671315043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 671315043 is about 25909.7480304228. The cubic root of 671315043 is about 875.6061293589.

The spelling of 671315043 in words is "six hundred seventy-one million, three hundred fifteen thousand, forty-three".