225253434431 has 4 divisors (see below), whose sum is σ = 226109911632. Its totient is φ = 224396957232.

The previous prime is 225253434421. The next prime is 225253434443. The reversal of 225253434431 is 134434352522.

225253434431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 225253434431 - 2³⁴ = 208073565247 is a prime.

It is a super-2 number, since 2×225253434431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225253434421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428238206 + ... + 428238731.

It is an arithmetic number, because the mean of its divisors is an integer number (56527477908).

Almost surely, 2^225253434431 is an apocalyptic number.

225253434431 is a deficient number, since it is larger than the sum of its proper divisors (856477201).

225253434431 is an equidigital number, since it uses as much as digits as its factorization.

225253434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856477200.

The product of its digits is 345600, while the sum is 38.

Adding to 225253434431 its reverse (134434352522), we get a palindrome (359687786953).

The spelling of 225253434431 in words is "two hundred twenty-five billion, two hundred fifty-three million, four hundred thirty-four thousand, four hundred thirty-one".