612544 has 28 divisors (see below), whose sum is σ = 1289304. Its totient is φ = 287744.

The previous prime is 612511. The next prime is 612553. The reversal of 612544 is 445216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807 + ... + 1369.

2⁶¹²⁵⁴⁴ is an apocalyptic number.

612544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644652).

612544 is an abundant number, since it is smaller than the sum of its proper divisors (676760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612544 is a wasteful number, since it uses less digits than its factorization.

612544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 582 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 612544 is about 782.6519021890. The cubic root of 612544 is about 84.9269961407.

It can be divided in two parts, 612 and 544, that added together give a square (1156 = 34²).

The spelling of 612544 in words is "six hundred twelve thousand, five hundred forty-four".