667235 has 4 divisors (see below), whose sum is σ = 800688. Its totient is φ = 533784.

The previous prime is 667229. The next prime is 667241. The reversal of 667235 is 532766.

667235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (667229) and next prime (667241).

It is a cyclic number.

It is not a de Polignac number, because 667235 - 2⁶ = 667171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667198 and 667207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66719 + ... + 66728.

It is an arithmetic number, because the mean of its divisors is an integer number (200172).

2⁶⁶⁷²³⁵ is an apocalyptic number.

667235 is a deficient number, since it is larger than the sum of its proper divisors (133453).

667235 is a wasteful number, since it uses less digits than its factorization.

667235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133452.

The product of its digits is 7560, while the sum is 29.

The square root of 667235 is about 816.8445384527. The cubic root of 667235 is about 87.3828636676.

The spelling of 667235 in words is "six hundred sixty-seven thousand, two hundred thirty-five".