613624241 has 4 divisors (see below), whose sum is σ = 615170292. Its totient is φ = 612078192.

The previous prime is 613624237. The next prime is 613624267. The reversal of 613624241 is 142426316.

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 447111025 + 166513216 = 21145^2 + 12904^2 .

It is a cyclic number.

It is not a de Polignac number, because 613624241 - 2² = 613624237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613624201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772430 + ... + 773223.

It is an arithmetic number, because the mean of its divisors is an integer number (153792573).

Almost surely, 2^613624241 is an apocalyptic number.

It is an amenable number.

613624241 is a deficient number, since it is larger than the sum of its proper divisors (1546051).

613624241 is a wasteful number, since it uses less digits than its factorization.

613624241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546050.

The product of its digits is 6912, while the sum is 29.

The square root of 613624241 is about 24771.4400267728. The cubic root of 613624241 is about 849.7689064967.

The spelling of 613624241 in words is "six hundred thirteen million, six hundred twenty-four thousand, two hundred forty-one".