605111253 has 4 divisors (see below), whose sum is σ = 806815008. Its totient is φ = 403407500.

The previous prime is 605111249. The next prime is 605111263. The reversal of 605111253 is 352111506.

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 605111253 - 2² = 605111249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605111233) 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, 100851873 + ... + 100851878.

It is an arithmetic number, because the mean of its divisors is an integer number (201703752).

Almost surely, 2^605111253 is an apocalyptic number.

It is an amenable number.

605111253 is a deficient number, since it is larger than the sum of its proper divisors (201703755).

605111253 is a wasteful number, since it uses less digits than its factorization.

605111253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201703754.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 605111253 is about 24599.0091873636. The cubic root of 605111253 is about 845.8208952482.

Adding to 605111253 its reverse (352111506), we get a palindrome (957222759).

The spelling of 605111253 in words is "six hundred five million, one hundred eleven thousand, two hundred fifty-three".