524514044021 has 4 divisors (see below), whose sum is σ = 572197138944. Its totient is φ = 476830949100.

The previous prime is 524514044011. The next prime is 524514044123. The reversal of 524514044021 is 120440415425.

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.

It is a de Polignac number, because none of the positive numbers 2^k-524514044021 is a prime.

It is a super-2 number, since 2×524514044021² (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 (524514044011) 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, 23841547445 + ... + 23841547466.

It is an arithmetic number, because the mean of its divisors is an integer number (143049284736).

Almost surely, 2^524514044021 is an apocalyptic number.

It is an amenable number.

524514044021 is a deficient number, since it is larger than the sum of its proper divisors (47683094923).

524514044021 is a wasteful number, since it uses less digits than its factorization.

524514044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47683094922.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 524514044021 its reverse (120440415425), we get a palindrome (644954459446).

It can be divided in two parts, 52451404 and 4021, that added together give a palindrome (52455425).

The spelling of 524514044021 in words is "five hundred twenty-four billion, five hundred fourteen million, forty-four thousand, twenty-one".