624204241 has 4 divisors (see below), whose sum is σ = 627812532. Its totient is φ = 620595952.

The previous prime is 624204209. The next prime is 624204257. The reversal of 624204241 is 142402426.

It is a happy number.

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 471063616 + 153140625 = 21704^2 + 12375^2 .

It is a cyclic number.

It is not a de Polignac number, because 624204241 - 2⁵ = 624204209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624204271) 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, 1803886 + ... + 1804231.

It is an arithmetic number, because the mean of its divisors is an integer number (156953133).

Almost surely, 2^624204241 is an apocalyptic number.

It is an amenable number.

624204241 is a deficient number, since it is larger than the sum of its proper divisors (3608291).

624204241 is a wasteful number, since it uses less digits than its factorization.

624204241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608290.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 624204241 is about 24984.0797509134. The cubic root of 624204241 is about 854.6249582295.

Adding to 624204241 its reverse (142402426), we get a palindrome (766606667).

The spelling of 624204241 in words is "six hundred twenty-four million, two hundred four thousand, two hundred forty-one".