612504 has 48 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 198720.

The previous prime is 612497. The next prime is 612511. The reversal of 612504 is 405216.

It is a happy number.

612504 is a `hidden beast` number, since 612 + 50 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (612497) and next prime (612511).

It is a super-2 number, since 2×612504² = 750322300032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

612504 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 11 ways as a sum of consecutive naturals, for example, 3294 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (35490).

2⁶¹²⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851760).

612504 is an abundant number, since it is smaller than the sum of its proper divisors (1091016).

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

612504 is a wasteful number, since it uses less digits than its factorization.

612504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 612504 is about 782.6263476270. The cubic root of 612504 is about 84.9251474824.

The spelling of 612504 in words is "six hundred twelve thousand, five hundred four".