225002534503 has 4 divisors (see below), whose sum is σ = 225075377520. Its totient is φ = 224929691488.

The previous prime is 225002534473. The next prime is 225002534557. The reversal of 225002534503 is 305435200522.

225002534503 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, and also an emirpimes, since its reverse is a distinct semiprime: 305435200522 = 2 ⋅152717600261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225002534503 is a prime.

It is a super-2 number, since 2×225002534503² (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 (225002534203) 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, 36416875 + ... + 36423052.

It is an arithmetic number, because the mean of its divisors is an integer number (56268844380).

Almost surely, 2^225002534503 is an apocalyptic number.

225002534503 is a deficient number, since it is larger than the sum of its proper divisors (72843017).

225002534503 is an equidigital number, since it uses as much as digits as its factorization.

225002534503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72843016.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 225002534503 in words is "two hundred twenty-five billion, two million, five hundred thirty-four thousand, five hundred three".