520282345 has 16 divisors (see below), whose sum is σ = 699507648. Its totient is φ = 368159040.

The previous prime is 520282313. The next prime is 520282349. The reversal of 520282345 is 543282025.

It is not a de Polignac number, because 520282345 - 2⁵ = 520282313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520282349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125799 + ... + 129868.

It is an arithmetic number, because the mean of its divisors is an integer number (43719228).

Almost surely, 2^520282345 is an apocalyptic number.

520282345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520282345 is a deficient number, since it is larger than the sum of its proper divisors (179225303).

520282345 is a wasteful number, since it uses less digits than its factorization.

520282345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255720.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 520282345 is about 22809.6984855127. The cubic root of 520282345 is about 804.2906679243.

The spelling of 520282345 in words is "five hundred twenty million, two hundred eighty-two thousand, three hundred forty-five".