305430252 has 24 divisors (see below), whose sum is σ = 727835136. Its totient is φ = 99643728.

The previous prime is 305430241. The next prime is 305430269. The reversal of 305430252 is 252034503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270208 + ... + 271335.

It is an arithmetic number, because the mean of its divisors is an integer number (30326464).

Almost surely, 2^305430252 is an apocalyptic number.

It is an amenable number.

305430252 is an abundant number, since it is smaller than the sum of its proper divisors (422404884).

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

305430252 is a wasteful number, since it uses less digits than its factorization.

305430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541597 (or 541595 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 305430252 is about 17476.5629343987. The cubic root of 305430252 is about 673.4479214409.

Adding to 305430252 its reverse (252034503), we get a palindrome (557464755).

The spelling of 305430252 in words is "three hundred five million, four hundred thirty thousand, two hundred fifty-two".