617280852 has 12 divisors (see below), whose sum is σ = 1440322016. Its totient is φ = 205760280.

The previous prime is 617280841. The next prime is 617280857. The reversal of 617280852 is 258082716.

617280852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 617280852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617280857) 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, 25720024 + ... + 25720047.

Almost surely, 2^617280852 is an apocalyptic number.

It is an amenable number.

617280852 is an abundant number, since it is smaller than the sum of its proper divisors (823041164).

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

617280852 is a wasteful number, since it uses less digits than its factorization.

617280852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51440078 (or 51440076 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 617280852 is about 24845.1373914495. The cubic root of 617280852 is about 851.4535001796.

The spelling of 617280852 in words is "six hundred seventeen million, two hundred eighty thousand, eight hundred fifty-two".