675538 has 8 divisors (see below), whose sum is σ = 1032588. Its totient is φ = 331344.

The previous prime is 675511. The next prime is 675539. The reversal of 675538 is 835576.

It is a happy number.

675538 is nontrivially palindromic in base 15.

675538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 619369 + 56169 = 787^2 + 237^2 .

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

It is not an unprimeable number, because it can be changed into a prime (675539) 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, 3081 + ... + 3292.

2⁶⁷⁵⁵³⁸ is an apocalyptic number.

675538 is a deficient number, since it is larger than the sum of its proper divisors (357050).

675538 is a wasteful number, since it uses less digits than its factorization.

675538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428.

The product of its digits is 25200, while the sum is 34.

The square root of 675538 is about 821.9111874163. The cubic root of 675538 is about 87.7438314617.

The spelling of 675538 in words is "six hundred seventy-five thousand, five hundred thirty-eight".