612065552 has 80 divisors (see below), whose sum is σ = 1449407232. Its totient is φ = 244408320.

The previous prime is 612065533. The next prime is 612065579. The reversal of 612065552 is 255560216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194552 + ... + 197672.

Almost surely, 2^612065552 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 612065552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724703616).

612065552 is an abundant number, since it is smaller than the sum of its proper divisors (837341680).

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

612065552 is a wasteful number, since it uses less digits than its factorization.

612065552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 612065552 is about 24739.9586095046. The cubic root of 612065552 is about 849.0487868994.

The spelling of 612065552 in words is "six hundred twelve million, sixty-five thousand, five hundred fifty-two".