508225285 has 20 divisors (see below), whose sum is σ = 648519228. Its totient is φ = 382349312.

The previous prime is 508225247. The next prime is 508225309. The reversal of 508225285 is 582522805.

It can be written as a sum of positive squares in 10 ways, for example, as 59505796 + 448719489 = 7714^2 + 21183^2 .

It is not a de Polignac number, because 508225285 - 2¹³ = 508217093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 416997 + ... + 418213.

Almost surely, 2^508225285 is an apocalyptic number.

It is an amenable number.

508225285 is a deficient number, since it is larger than the sum of its proper divisors (140293943).

508225285 is an frugal number, since it uses more digits than its factorization.

508225285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 508225285 is about 22543.8524879844. The cubic root of 508225285 is about 798.0291512855.

The spelling of 508225285 in words is "five hundred eight million, two hundred twenty-five thousand, two hundred eighty-five".