305080252 has 24 divisors (see below), whose sum is σ = 541522800. Its totient is φ = 150370176.

The previous prime is 305080247. The next prime is 305080253. The reversal of 305080252 is 252080503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305080253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137383 + ... + 139585.

It is an arithmetic number, because the mean of its divisors is an integer number (22563450).

Almost surely, 2^305080252 is an apocalyptic number.

It is an amenable number.

305080252 is a deficient number, since it is larger than the sum of its proper divisors (236442548).

305080252 is a wasteful number, since it uses less digits than its factorization.

305080252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 305080252 is about 17466.5466535317. The cubic root of 305080252 is about 673.1905829679.

The spelling of 305080252 in words is "three hundred five million, eighty thousand, two hundred fifty-two".