30242405253 has 4 divisors (see below), whose sum is σ = 40323207008. Its totient is φ = 20161603500.

The previous prime is 30242405227. The next prime is 30242405311. The reversal of 30242405253 is 35250424203.

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 not a de Polignac number, because 30242405253 - 2¹⁰ = 30242404229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30242405253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242405213) 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, 5040400873 + ... + 5040400878.

It is an arithmetic number, because the mean of its divisors is an integer number (10080801752).

Almost surely, 2^30242405253 is an apocalyptic number.

It is an amenable number.

30242405253 is a deficient number, since it is larger than the sum of its proper divisors (10080801755).

30242405253 is a wasteful number, since it uses less digits than its factorization.

30242405253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080801754.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 30242405253 its reverse (35250424203), we get a palindrome (65492829456).

The spelling of 30242405253 in words is "thirty billion, two hundred forty-two million, four hundred five thousand, two hundred fifty-three".