671083531 has 8 divisors (see below), whose sum is σ = 702080064. Its totient is φ = 640783680.

The previous prime is 671083513. The next prime is 671083537. The reversal of 671083531 is 135380176.

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 671083531 - 2⁹ = 671083019 is a prime.

It is a super-2 number, since 2×671083531² = 900706211158855922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671083537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172200 + ... + 176053.

It is an arithmetic number, because the mean of its divisors is an integer number (87760008).

Almost surely, 2^671083531 is an apocalyptic number.

671083531 is a deficient number, since it is larger than the sum of its proper divisors (30996533).

671083531 is a wasteful number, since it uses less digits than its factorization.

671083531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348341.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 671083531 is about 25905.2799830459. The cubic root of 671083531 is about 875.5054629452.

The spelling of 671083531 in words is "six hundred seventy-one million, eighty-three thousand, five hundred thirty-one".