2004420253 has 4 divisors (see below), whose sum is σ = 2186640288. Its totient is φ = 1822200220.

The previous prime is 2004420251. The next prime is 2004420287. The reversal of 2004420253 is 3520244002.

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 2004420253 - 2¹ = 2004420251 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004420251) 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, 91110001 + ... + 91110022.

It is an arithmetic number, because the mean of its divisors is an integer number (546660072).

Almost surely, 2^2004420253 is an apocalyptic number.

It is an amenable number.

2004420253 is a deficient number, since it is larger than the sum of its proper divisors (182220035).

2004420253 is a wasteful number, since it uses less digits than its factorization.

2004420253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182220034.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2004420253 is about 44770.7522049831. The cubic root of 2004420253 is about 1260.8485618906.

Adding to 2004420253 its reverse (3520244002), we get a palindrome (5524664255).

The spelling of 2004420253 in words is "two billion, four million, four hundred twenty thousand, two hundred fifty-three".