520132469 has 4 divisors (see below), whose sum is σ = 522746400. Its totient is φ = 517518540.

The previous prime is 520132453. The next prime is 520132471. The reversal of 520132469 is 964231025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520132469 - 2⁴ = 520132453 is a prime.

It is a super-2 number, since 2×520132469² = 541075570616071922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520132069) 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, 1306667 + ... + 1307064.

It is an arithmetic number, because the mean of its divisors is an integer number (130686600).

Almost surely, 2^520132469 is an apocalyptic number.

It is an amenable number.

520132469 is a deficient number, since it is larger than the sum of its proper divisors (2613931).

520132469 is a wasteful number, since it uses less digits than its factorization.

520132469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613930.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 520132469 is about 22806.4128919916. The cubic root of 520132469 is about 804.2134307305.

The spelling of 520132469 in words is "five hundred twenty million, one hundred thirty-two thousand, four hundred sixty-nine".