612500628 has 12 divisors (see below), whose sum is σ = 1429168160. Its totient is φ = 204166872.

The previous prime is 612500621. The next prime is 612500639. The reversal of 612500628 is 826005216.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 612500595 and 612500604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612500621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25520848 + ... + 25520871.

Almost surely, 2^612500628 is an apocalyptic number.

It is an amenable number.

612500628 is an abundant number, since it is smaller than the sum of its proper divisors (816667532).

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

612500628 is a wasteful number, since it uses less digits than its factorization.

612500628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51041726 (or 51041724 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 612500628 is about 24748.7500290419. The cubic root of 612500628 is about 849.2499163678.

The spelling of 612500628 in words is "six hundred twelve million, five hundred thousand, six hundred twenty-eight".