520522453 has 8 divisors (see below), whose sum is σ = 592531776. Its totient is φ = 452628000.

The previous prime is 520522451. The next prime is 520522469. The reversal of 520522453 is 354225025.

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

It is not a de Polignac number, because 520522453 - 2¹ = 520522451 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 (520522451) 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, 1028448 + ... + 1028953.

It is an arithmetic number, because the mean of its divisors is an integer number (74066472).

Almost surely, 2^520522453 is an apocalyptic number.

It is an amenable number.

520522453 is a deficient number, since it is larger than the sum of its proper divisors (72009323).

520522453 is a wasteful number, since it uses less digits than its factorization.

520522453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057435.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 520522453 is about 22814.9611658666. The cubic root of 520522453 is about 804.4143744243.

Adding to 520522453 its reverse (354225025), we get a palindrome (874747478).

The spelling of 520522453 in words is "five hundred twenty million, five hundred twenty-two thousand, four hundred fifty-three".