612538 has 16 divisors (see below), whose sum is σ = 972000. Its totient is φ = 289072.

The previous prime is 612511. The next prime is 612553. The reversal of 612538 is 835216.

It is a happy number.

612538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (60750).

2⁶¹²⁵³⁸ is an apocalyptic number.

612538 is a deficient number, since it is larger than the sum of its proper divisors (359462).

612538 is a wasteful number, since it uses less digits than its factorization.

612538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 1440, while the sum is 25.

The square root of 612538 is about 782.6480690579. The cubic root of 612538 is about 84.9267188471.

It can be divided in two parts, 6 and 12538, that added together give a square (12544 = 112²).

The spelling of 612538 in words is "six hundred twelve thousand, five hundred thirty-eight".