508225284 has 144 divisors (see below), whose sum is σ = 1539772416. Its totient is φ = 138283200.

The previous prime is 508225247. The next prime is 508225309. The reversal of 508225284 is 482522805.

508225284 is a `hidden beast` number, since 50 + 82 + 2 + 528 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522919 + ... + 523889.

It is an arithmetic number, because the mean of its divisors is an integer number (10692864).

Almost surely, 2^508225284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 508225284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769886208).

508225284 is an abundant number, since it is smaller than the sum of its proper divisors (1031547132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508225284 is a wasteful number, since it uses less digits than its factorization.

508225284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 508225284 is about 22543.8524658054. The cubic root of 508225284 is about 798.0291507621.

The spelling of 508225284 in words is "five hundred eight million, two hundred twenty-five thousand, two hundred eighty-four".