520709461 has 8 divisors (see below), whose sum is σ = 535176320. Its totient is φ = 506439648.

The previous prime is 520709447. The next prime is 520709513. The reversal of 520709461 is 164907025.

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 520709461 - 2⁷ = 520709333 is a prime.

It is a super-2 number, since 2×520709461² = 542276685549821042, 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 (520709261) 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, 43896 + ... + 54481.

It is an arithmetic number, because the mean of its divisors is an integer number (66897040).

Almost surely, 2^520709461 is an apocalyptic number.

It is an amenable number.

520709461 is a deficient number, since it is larger than the sum of its proper divisors (14466859).

520709461 is an equidigital number, since it uses as much as digits as its factorization.

520709461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98523.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 520709461 is about 22819.0591611486. The cubic root of 520709461 is about 804.5106968217.

The spelling of 520709461 in words is "five hundred twenty million, seven hundred nine thousand, four hundred sixty-one".