612442441 has 4 divisors (see below), whose sum is σ = 659553412. Its totient is φ = 565331472.

The previous prime is 612442403. The next prime is 612442483. The reversal of 612442441 is 144244216.

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 407838025 + 204604416 = 20195^2 + 14304^2 .

It is a cyclic number.

It is not a de Polignac number, because 612442441 - 2¹¹ = 612440393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612442741) 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, 23555466 + ... + 23555491.

It is an arithmetic number, because the mean of its divisors is an integer number (164888353).

Almost surely, 2^612442441 is an apocalyptic number.

It is an amenable number.

612442441 is a deficient number, since it is larger than the sum of its proper divisors (47110971).

612442441 is a wasteful number, since it uses less digits than its factorization.

612442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47110970.

The product of its digits is 6144, while the sum is 28.

The square root of 612442441 is about 24747.5744468019. The cubic root of 612442441 is about 849.2230228608.

Adding to 612442441 its reverse (144244216), we get a palindrome (756686657).

The spelling of 612442441 in words is "six hundred twelve million, four hundred forty-two thousand, four hundred forty-one".