225546252453 has 24 divisors (see below), whose sum is σ = 336331157760. Its totient is φ = 145499518080.

The previous prime is 225546252439. The next prime is 225546252461. The reversal of 225546252453 is 354252645522.

It is a happy number.

225546252453 is a `hidden beast` number, since 2 + 2 + 5 + 546 + 2 + 52 + 4 + 53 = 666.

It is not a de Polignac number, because 225546252453 - 2⁹ = 225546251941 is a prime.

It is a super-2 number, since 2×225546252453² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225546252399 and 225546252408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225546252493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3346158 + ... + 3412896.

It is an arithmetic number, because the mean of its divisors is an integer number (14013798240).

Almost surely, 2^225546252453 is an apocalyptic number.

It is an amenable number.

225546252453 is a deficient number, since it is larger than the sum of its proper divisors (110784905307).

225546252453 is a wasteful number, since it uses less digits than its factorization.

225546252453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78889 (or 78886 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

Adding to 225546252453 its reverse (354252645522), we get a palindrome (579798897975).

The spelling of 225546252453 in words is "two hundred twenty-five billion, five hundred forty-six million, two hundred fifty-two thousand, four hundred fifty-three".