609628241 has 4 divisors (see below), whose sum is σ = 609957684. Its totient is φ = 609298800.

The previous prime is 609628231. The next prime is 609628273. The reversal of 609628241 is 142826906.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224880016 + 384748225 = 14996^2 + 19615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609628241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609628195 and 609628204.

It is not an unprimeable number, because it can be changed into a prime (609628231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161930 + ... + 165651.

It is an arithmetic number, because the mean of its divisors is an integer number (152489421).

Almost surely, 2^609628241 is an apocalyptic number.

It is an amenable number.

609628241 is a deficient number, since it is larger than the sum of its proper divisors (329443).

609628241 is a wasteful number, since it uses less digits than its factorization.

609628241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329442.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 609628241 is about 24690.6508824697. The cubic root of 609628241 is about 847.9202863727.

The spelling of 609628241 in words is "six hundred nine million, six hundred twenty-eight thousand, two hundred forty-one".