524609897481 has 14 divisors (see below), whose sum is σ = 786555032570. Its totient is φ = 349739931168.

The previous prime is 524609897479. The next prime is 524609897507. The reversal of 524609897481 is 184798906425.

524609897481 is a `hidden beast` number, since 5 + 2 + 4 + 60 + 9 + 8 + 97 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 299230880400 + 225379017081 = 547020^2 + 474741^2 .

It is not a de Polignac number, because 524609897481 - 2¹ = 524609897479 is a prime.

It is a super-2 number, since 2×524609897481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (524609897411) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 359814016 + ... + 359815473.

Almost surely, 2^524609897481 is an apocalyptic number.

It is an amenable number.

524609897481 is a deficient number, since it is larger than the sum of its proper divisors (261945135089).

524609897481 is an frugal number, since it uses more digits than its factorization.

524609897481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719629507 (or 719629492 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 524609897481 in words is "five hundred twenty-four billion, six hundred nine million, eight hundred ninety-seven thousand, four hundred eighty-one".