5208213285 has 36 divisors (see below), whose sum is σ = 9922876236. Its totient is φ = 2525191680.

The previous prime is 5208213233. The next prime is 5208213293. The reversal of 5208213285 is 5823128025.

5208213285 is a `hidden beast` number, since 520 + 8 + 21 + 32 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2020142916 + 3188070369 = 44946^2 + 56463^2 .

It is not a de Polignac number, because 5208213285 - 2¹¹ = 5208211237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 472812 + ... + 483701.

It is an arithmetic number, because the mean of its divisors is an integer number (275635451).

Almost surely, 2^5208213285 is an apocalyptic number.

5208213285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5208213285 is a deficient number, since it is larger than the sum of its proper divisors (4714662951).

5208213285 is a wasteful number, since it uses less digits than its factorization.

5208213285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956546 (or 956532 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5208213285 is about 72167.9519246597. The cubic root of 5208213285 is about 1733.3898678758.

The spelling of 5208213285 in words is "five billion, two hundred eight million, two hundred thirteen thousand, two hundred eighty-five".