2204503215253 has 4 divisors (see below), whose sum is σ = 2204714041740. Its totient is φ = 2204292388768.

The previous prime is 2204503215227. The next prime is 2204503215301. The reversal of 2204503215253 is 3525123054022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1883764485009 + 320738730244 = 1372503^2 + 566338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2204503215253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204503315253) 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, 105397558 + ... + 105418471.

It is an arithmetic number, because the mean of its divisors is an integer number (551178510435).

Almost surely, 2^{2204503215253} is an apocalyptic number.

It is an amenable number.

2204503215253 is a deficient number, since it is larger than the sum of its proper divisors (210826487).

2204503215253 is a wasteful number, since it uses less digits than its factorization.

2204503215253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210826486.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 2204503215253 its reverse (3525123054022), we get a palindrome (5729626269275).

The spelling of 2204503215253 in words is "two trillion, two hundred four billion, five hundred three million, two hundred fifteen thousand, two hundred fifty-three".