22503625345253 has 4 divisors (see below), whose sum is σ = 24234673448748. Its totient is φ = 20772577241760.

The previous prime is 22503625345217. The next prime is 22503625345277. The reversal of 22503625345253 is 35254352630522.

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 11112075576484 + 11391549768769 = 3333478^2 + 3375137^2 .

It is a cyclic number.

It is not a de Polignac number, because 22503625345253 - 2²² = 22503621150949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22503625345198 and 22503625345207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22503625345213) 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, 865524051728 + ... + 865524051753.

It is an arithmetic number, because the mean of its divisors is an integer number (6058668362187).

Almost surely, 2^{22503625345253} is an apocalyptic number.

It is an amenable number.

22503625345253 is a deficient number, since it is larger than the sum of its proper divisors (1731048103495).

22503625345253 is a wasteful number, since it uses less digits than its factorization.

22503625345253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731048103494.

The product of its (nonzero) digits is 6480000, while the sum is 47.

Adding to 22503625345253 its reverse (35254352630522), we get a palindrome (57757977975775).

The spelling of 22503625345253 in words is "twenty-two trillion, five hundred three billion, six hundred twenty-five million, three hundred forty-five thousand, two hundred fifty-three".