613712241 has 16 divisors (see below), whose sum is σ = 921661120. Its totient is φ = 403535520.

The previous prime is 613712237. The next prime is 613712261. The reversal of 613712241 is 142217316.

613712241 is a `hidden beast` number, since 613 + 7 + 1 + 2 + 2 + 41 = 666.

It is not a de Polignac number, because 613712241 - 2² = 613712237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613712261) 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 15 ways as a sum of consecutive naturals, for example, 153715 + ... + 157656.

It is an arithmetic number, because the mean of its divisors is an integer number (57603820).

Almost surely, 2^613712241 is an apocalyptic number.

It is an amenable number.

613712241 is a deficient number, since it is larger than the sum of its proper divisors (307948879).

613712241 is a wasteful number, since it uses less digits than its factorization.

613712241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311453 (or 311447 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 613712241 is about 24773.2162021809. The cubic root of 613712241 is about 849.8095264094.

Adding to 613712241 its reverse (142217316), we get a palindrome (755929557).

The spelling of 613712241 in words is "six hundred thirteen million, seven hundred twelve thousand, two hundred forty-one".