675531 has 12 divisors (see below), whose sum is σ = 997152. Its totient is φ = 440496.

The previous prime is 675511. The next prime is 675539. The reversal of 675531 is 135576.

It is not a de Polignac number, because 675531 - 2¹⁹ = 151243 is a prime.

It is a super-2 number, since 2×675531² = 912684263922, which contains 22 as substring.

675531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 675495 and 675504.

It is not an unprimeable number, because it can be changed into a prime (675539) 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 11 ways as a sum of consecutive naturals, for example, 376 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (83096).

2⁶⁷⁵⁵³¹ is an apocalyptic number.

675531 is a deficient number, since it is larger than the sum of its proper divisors (321621).

675531 is a wasteful number, since it uses less digits than its factorization.

675531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1647 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 675531 is about 821.9069290376. The cubic root of 675531 is about 87.7435283902.

It can be divided in two parts, 6755 and 31, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 675531 in words is "six hundred seventy-five thousand, five hundred thirty-one".