425535503 has 4 divisors (see below), whose sum is σ = 425629680. Its totient is φ = 425441328.

The previous prime is 425535493. The next prime is 425535511. The reversal of 425535503 is 305535524.

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 425535503 - 2⁸ = 425535247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425535503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425535403) 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, 39950 + ... + 49467.

It is an arithmetic number, because the mean of its divisors is an integer number (106407420).

Almost surely, 2^425535503 is an apocalyptic number.

425535503 is a deficient number, since it is larger than the sum of its proper divisors (94177).

425535503 is an equidigital number, since it uses as much as digits as its factorization.

425535503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94176.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 425535503 is about 20628.5118949477. The cubic root of 425535503 is about 752.1629432022.

The spelling of 425535503 in words is "four hundred twenty-five million, five hundred thirty-five thousand, five hundred three".