503525525053 has 4 divisors (see below), whose sum is σ = 509592097728. Its totient is φ = 497458952380.

The previous prime is 503525525011. The next prime is 503525525077. The reversal of 503525525053 is 350525525305.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350525525305 = 5 ⋅70105105061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503525525053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503525524997 and 503525525015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503525525003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033286213 + ... + 3033286378.

It is an arithmetic number, because the mean of its divisors is an integer number (127398024432).

Almost surely, 2^503525525053 is an apocalyptic number.

It is an amenable number.

503525525053 is a deficient number, since it is larger than the sum of its proper divisors (6066572675).

503525525053 is an equidigital number, since it uses as much as digits as its factorization.

503525525053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066572674.

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 503525525053 in words is "five hundred three billion, five hundred twenty-five million, five hundred twenty-five thousand, fifty-three".