612063256 has 64 divisors (see below), whose sum is σ = 1359912960. Its totient is φ = 252720000.

The previous prime is 612063251. The next prime is 612063259. The reversal of 612063256 is 652360216.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612063251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469806 + ... + 471106.

It is an arithmetic number, because the mean of its divisors is an integer number (21248640).

Almost surely, 2^612063256 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 612063256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679956480).

612063256 is an abundant number, since it is smaller than the sum of its proper divisors (747849704).

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

612063256 is a wasteful number, since it uses less digits than its factorization.

612063256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 612063256 is about 24739.9122067965. The cubic root of 612063256 is about 849.0477252384.

The spelling of 612063256 in words is "six hundred twelve million, sixty-three thousand, two hundred fifty-six".