605542 has 24 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 250992.

The previous prime is 605533. The next prime is 605543. The reversal of 605542 is 245506.

It is a super-2 number, since 2×605542² = 733362227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605543) by changing a digit.

605542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3543 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (45486).

2⁶⁰⁵⁵⁴² is an apocalyptic number.

605542 is a deficient number, since it is larger than the sum of its proper divisors (486122).

605542 is a wasteful number, since it uses less digits than its factorization.

605542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 605542 is about 778.1657921035. The cubic root of 605542 is about 84.6021546173.

It can be divided in two parts, 60 and 5542, that multiplied together give a triangular number (332520 = T₈₁₅).

The spelling of 605542 in words is "six hundred five thousand, five hundred forty-two".