520538453 has 8 divisors (see below), whose sum is σ = 568938240. Its totient is φ = 474114240.

The previous prime is 520538441. The next prime is 520538471. The reversal of 520538453 is 354835025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520538453 - 2¹⁶ = 520472917 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 (520538423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493343 + ... + 494396.

It is an arithmetic number, because the mean of its divisors is an integer number (71117280).

Almost surely, 2^520538453 is an apocalyptic number.

It is an amenable number.

520538453 is a deficient number, since it is larger than the sum of its proper divisors (48399787).

520538453 is a wasteful number, since it uses less digits than its factorization.

520538453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987787.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 520538453 is about 22815.3118102734. The cubic root of 520538453 is about 804.4226164627.

It can be divided in two parts, 52053 and 8453, that added together give a palindrome (60506).

The spelling of 520538453 in words is "five hundred twenty million, five hundred thirty-eight thousand, four hundred fifty-three".