305525252 has 12 divisors (see below), whose sum is σ = 540677340. Its totient is φ = 151046016.

The previous prime is 305525249. The next prime is 305525267. The reversal of 305525252 is 252525503.

It can be written as a sum of positive squares in 2 ways, for example, as 39639616 + 265885636 = 6296^2 + 16306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428753 + ... + 429464.

It is an arithmetic number, because the mean of its divisors is an integer number (45056445).

Almost surely, 2^305525252 is an apocalyptic number.

It is an amenable number.

305525252 is a deficient number, since it is larger than the sum of its proper divisors (235152088).

305525252 is a wasteful number, since it uses less digits than its factorization.

305525252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858310 (or 858308 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 305525252 is about 17479.2806488139. The cubic root of 305525252 is about 673.5177365297.

The spelling of 305525252 in words is "three hundred five million, five hundred twenty-five thousand, two hundred fifty-two".