612534 has 16 divisors (see below), whose sum is σ = 1319472. Its totient is φ = 188448.

The previous prime is 612511. The next prime is 612553. The reversal of 612534 is 435216.

It is a happy number.

612534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 612534.

It is a congruent number.

It is an unprimeable number.

612534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (82467).

2⁶¹²⁵³⁴ is an apocalyptic number.

612534 is an abundant number, since it is smaller than the sum of its proper divisors (706938).

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

612534 is a wasteful number, since it uses less digits than its factorization.

612534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871.

The product of its digits is 720, while the sum is 21.

The square root of 612534 is about 782.6455136267. The cubic root of 612534 is about 84.9265339837.

The spelling of 612534 in words is "six hundred twelve thousand, five hundred thirty-four".