520144255 has 16 divisors (see below), whose sum is σ = 639021600. Its totient is φ = 406316160.

The previous prime is 520144181. The next prime is 520144259. The reversal of 520144255 is 552441025.

It is not a de Polignac number, because 520144255 - 2¹⁷ = 520013183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520144259) 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, 36261 + ... + 48529.

It is an arithmetic number, because the mean of its divisors is an integer number (39938850).

Almost surely, 2^520144255 is an apocalyptic number.

520144255 is a deficient number, since it is larger than the sum of its proper divisors (118877345).

520144255 is a wasteful number, since it uses less digits than its factorization.

520144255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 520144255 is about 22806.6712827629. The cubic root of 520144255 is about 804.2195050727.

The spelling of 520144255 in words is "five hundred twenty million, one hundred forty-four thousand, two hundred fifty-five".