305215052 has 6 divisors (see below), whose sum is σ = 534126348. Its totient is φ = 152607524.

The previous prime is 305215033. The next prime is 305215061. The reversal of 305215052 is 250512503.

305215052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38151878 + ... + 38151885.

It is an arithmetic number, because the mean of its divisors is an integer number (89021058).

Almost surely, 2^305215052 is an apocalyptic number.

It is an amenable number.

305215052 is a deficient number, since it is larger than the sum of its proper divisors (228911296).

305215052 is a wasteful number, since it uses less digits than its factorization.

305215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76303767 (or 76303765 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 305215052 is about 17470.4050325114. The cubic root of 305215052 is about 673.2897183351.

Adding to 305215052 its reverse (250512503), we get a palindrome (555727555).

The spelling of 305215052 in words is "three hundred five million, two hundred fifteen thousand, fifty-two".