671079533 has 4 divisors (see below), whose sum is σ = 700256928. Its totient is φ = 641902140.

The previous prime is 671079529. The next prime is 671079551. The reversal of 671079533 is 335970176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671079533 - 2² = 671079529 is a prime.

It is a super-2 number, since 2×671079533² = 900695479222996178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671079553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14588663 + ... + 14588708.

It is an arithmetic number, because the mean of its divisors is an integer number (175064232).

Almost surely, 2^671079533 is an apocalyptic number.

It is an amenable number.

671079533 is a deficient number, since it is larger than the sum of its proper divisors (29177395).

671079533 is a wasteful number, since it uses less digits than its factorization.

671079533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177394.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 671079533 is about 25905.2028171949. The cubic root of 671079533 is about 875.5037243252.

The spelling of 671079533 in words is "six hundred seventy-one million, seventy-nine thousand, five hundred thirty-three".