605130243 has 4 divisors (see below), whose sum is σ = 806840328. Its totient is φ = 403420160.

The previous prime is 605130223. The next prime is 605130257. The reversal of 605130243 is 342031506.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 605130243 - 2⁹ = 605129731 is a prime.

It is a super-2 number, since 2×605130243² = 732365221986478098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (605130223) 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, 100855038 + ... + 100855043.

It is an arithmetic number, because the mean of its divisors is an integer number (201710082).

Almost surely, 2^605130243 is an apocalyptic number.

605130243 is a deficient number, since it is larger than the sum of its proper divisors (201710085).

605130243 is a wasteful number, since it uses less digits than its factorization.

605130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201710084.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 605130243 is about 24599.3951754916. The cubic root of 605130243 is about 845.8297431919.

Adding to 605130243 its reverse (342031506), we get a palindrome (947161749).

The spelling of 605130243 in words is "six hundred five million, one hundred thirty thousand, two hundred forty-three".