503432525421 has 12 divisors (see below), whose sum is σ = 831063216672. Its totient is φ = 287675728776.

The previous prime is 503432525419. The next prime is 503432525429. The reversal of 503432525421 is 124525234305.

503432525421 is a `hidden beast` number, since 5 + 0 + 34 + 32 + 52 + 542 + 1 = 666.

It is not a de Polignac number, because 503432525421 - 2¹ = 503432525419 is a prime.

It is a super-2 number, since 2×503432525421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503432525429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3995496171 + ... + 3995496296.

It is an arithmetic number, because the mean of its divisors is an integer number (69255268056).

Almost surely, 2^503432525421 is an apocalyptic number.

It is an amenable number.

503432525421 is a deficient number, since it is larger than the sum of its proper divisors (327630691251).

503432525421 is a wasteful number, since it uses less digits than its factorization.

503432525421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990992480 (or 7990992477 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 503432525421 its reverse (124525234305), we get a palindrome (627957759726).

The spelling of 503432525421 in words is "five hundred three billion, four hundred thirty-two million, five hundred twenty-five thousand, four hundred twenty-one".