675181 has 8 divisors (see below), whose sum is σ = 733824. Its totient is φ = 617520.

The previous prime is 675179. The next prime is 675187. The reversal of 675181 is 181576.

It is a happy number.

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 675181 - 2¹ = 675179 is a prime.

It is a super-2 number, since 2×675181² = 911738765522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

2⁶⁷⁵¹⁸¹ is an apocalyptic number.

It is an amenable number.

675181 is a deficient number, since it is larger than the sum of its proper divisors (58643).

675181 is a wasteful number, since it uses less digits than its factorization.

675181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 1680, while the sum is 28.

The square root of 675181 is about 821.6939819665. The cubic root of 675181 is about 87.7283721451.

The spelling of 675181 in words is "six hundred seventy-five thousand, one hundred eighty-one".