613203241 has 4 divisors (see below), whose sum is σ = 700803712. Its totient is φ = 525602772.

The previous prime is 613203191. The next prime is 613203247. The reversal of 613203241 is 142302316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613203241 - 2⁷ = 613203113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613203247) 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, 43800225 + ... + 43800238.

It is an arithmetic number, because the mean of its divisors is an integer number (175200928).

Almost surely, 2^613203241 is an apocalyptic number.

It is an amenable number.

613203241 is a deficient number, since it is larger than the sum of its proper divisors (87600471).

613203241 is an equidigital number, since it uses as much as digits as its factorization.

613203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87600470.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 613203241 is about 24762.9408794674. The cubic root of 613203241 is about 849.5745233908.

Adding to 613203241 its reverse (142302316), we get a palindrome (755505557).

The spelling of 613203241 in words is "six hundred thirteen million, two hundred three thousand, two hundred forty-one".