520132453 has 2 divisors, whose sum is σ = 520132454. Its totient is φ = 520132452.

The previous prime is 520132451. The next prime is 520132471. The reversal of 520132453 is 354231025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516971169 + 3161284 = 22737^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 520132453 - 2¹ = 520132451 is a prime.

Together with 520132451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520132451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260066226 + 260066227.

It is an arithmetic number, because the mean of its divisors is an integer number (260066227).

Almost surely, 2^520132453 is an apocalyptic number.

It is an amenable number.

520132453 is a deficient number, since it is larger than the sum of its proper divisors (1).

520132453 is an equidigital number, since it uses as much as digits as its factorization.

520132453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 520132453 is about 22806.4125412131. The cubic root of 520132453 is about 804.2134224842.

Adding to 520132453 its reverse (354231025), we get a palindrome (874363478).

The spelling of 520132453 in words is "five hundred twenty million, one hundred thirty-two thousand, four hundred fifty-three".