671101265 has 8 divisors (see below), whose sum is σ = 852693480. Its totient is φ = 505299712.

The previous prime is 671101259. The next prime is 671101283. The reversal of 671101265 is 562101176.

It can be written as a sum of positive squares in 4 ways, for example, as 36917776 + 634183489 = 6076^2 + 25183^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 671101265 - 2⁶ = 671101201 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, 3947570 + ... + 3947739.

It is an arithmetic number, because the mean of its divisors is an integer number (106586685).

Almost surely, 2^671101265 is an apocalyptic number.

It is an amenable number.

671101265 is a deficient number, since it is larger than the sum of its proper divisors (181592215).

671101265 is a wasteful number, since it uses less digits than its factorization.

671101265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895331.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 671101265 is about 25905.6222662186. The cubic root of 671101265 is about 875.5131748899.

The spelling of 671101265 in words is "six hundred seventy-one million, one hundred one thousand, two hundred sixty-five".