524478973 has 4 divisors (see below), whose sum is σ = 524650780. Its totient is φ = 524307168.

The previous prime is 524478967. The next prime is 524479001. The reversal of 524478973 is 379874425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235376964 + 289102009 = 15342^2 + 17003^2 .

It is a cyclic number.

It is not a de Polignac number, because 524478973 - 2¹³ = 524470781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524478943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81240 + ... + 87457.

It is an arithmetic number, because the mean of its divisors is an integer number (131162695).

Almost surely, 2^524478973 is an apocalyptic number.

It is an amenable number.

524478973 is a deficient number, since it is larger than the sum of its proper divisors (171807).

524478973 is a wasteful number, since it uses less digits than its factorization.

524478973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171806.

The product of its digits is 1693440, while the sum is 49.

The square root of 524478973 is about 22901.5059111841. The cubic root of 524478973 is about 806.4473648747.

The spelling of 524478973 in words is "five hundred twenty-four million, four hundred seventy-eight thousand, nine hundred seventy-three".