520162453 has 4 divisors (see below), whose sum is σ = 520217388. Its totient is φ = 520107520.

The previous prime is 520162439. The next prime is 520162469. The reversal of 520162453 is 354261025.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 81595089 + 438567364 = 9033^2 + 20942^2 .

It is a cyclic number.

It is not a de Polignac number, because 520162453 - 2²⁵ = 486608021 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 (520162483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9226 + ... + 33547.

It is an arithmetic number, because the mean of its divisors is an integer number (130054347).

Almost surely, 2^520162453 is an apocalyptic number.

It is an amenable number.

520162453 is a deficient number, since it is larger than the sum of its proper divisors (54935).

520162453 is a wasteful number, since it uses less digits than its factorization.

520162453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54934.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 520162453 is about 22807.0702414843. The cubic root of 520162453 is about 804.2288838914.

The spelling of 520162453 in words is "five hundred twenty million, one hundred sixty-two thousand, four hundred fifty-three".