671560315 has 8 divisors (see below), whose sum is σ = 806729040. Its totient is φ = 536677152.

The previous prime is 671560271. The next prime is 671560321. The reversal of 671560315 is 513065176.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671560315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66180 + ... + 75649.

It is an arithmetic number, because the mean of its divisors is an integer number (100841130).

Almost surely, 2^671560315 is an apocalyptic number.

671560315 is a deficient number, since it is larger than the sum of its proper divisors (135168725).

671560315 is a wasteful number, since it uses less digits than its factorization.

671560315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142781.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 671560315 is about 25914.4807974229. The cubic root of 671560315 is about 875.7127536724.

The spelling of 671560315 in words is "six hundred seventy-one million, five hundred sixty thousand, three hundred fifteen".