617538452 has 12 divisors (see below), whose sum is σ = 1103686080. Its totient is φ = 302199576.

The previous prime is 617538421. The next prime is 617538503. The reversal of 617538452 is 254835716.

617538452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642202 + ... + 1642577.

It is an arithmetic number, because the mean of its divisors is an integer number (91973840).

Almost surely, 2^617538452 is an apocalyptic number.

It is an amenable number.

617538452 is a deficient number, since it is larger than the sum of its proper divisors (486147628).

617538452 is a wasteful number, since it uses less digits than its factorization.

617538452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284830 (or 3284828 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 617538452 is about 24850.3209637220. The cubic root of 617538452 is about 851.5719248899.

The spelling of 617538452 in words is "six hundred seventeen million, five hundred thirty-eight thousand, four hundred fifty-two".