520734481 has 8 divisors (see below), whose sum is σ = 533804544. Its totient is φ = 507682080.

The previous prime is 520734451. The next prime is 520734493. The reversal of 520734481 is 184437025.

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 520734481 - 2¹⁹ = 520210193 is a prime.

It is a super-2 number, since 2×520734481² = 542328799404678722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520734451) 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, 71260 + ... + 78226.

It is an arithmetic number, because the mean of its divisors is an integer number (66725568).

Almost surely, 2^520734481 is an apocalyptic number.

It is an amenable number.

520734481 is a deficient number, since it is larger than the sum of its proper divisors (13070063).

520734481 is a wasteful number, since it uses less digits than its factorization.

520734481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 520734481 is about 22819.6073804963. The cubic root of 520734481 is about 804.5235821488.

The spelling of 520734481 in words is "five hundred twenty million, seven hundred thirty-four thousand, four hundred eighty-one".