30315652 has 6 divisors (see below), whose sum is σ = 53052398. Its totient is φ = 15157824.

The previous prime is 30315647. The next prime is 30315653. The reversal of 30315652 is 25651303.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28047616 + 2268036 = 5296^2 + 1506^2 .

It is not an unprimeable number, because it can be changed into a prime (30315653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789453 + ... + 3789460.

Almost surely, 2^30315652 is an apocalyptic number.

It is an amenable number.

30315652 is a deficient number, since it is larger than the sum of its proper divisors (22736746).

30315652 is a wasteful number, since it uses less digits than its factorization.

30315652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578917 (or 7578915 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 30315652 is about 5505.9651288398. The cubic root of 30315652 is about 311.8092330430.

Adding to 30315652 its reverse (25651303), we get a palindrome (55966955).

The spelling of 30315652 in words is "thirty million, three hundred fifteen thousand, six hundred fifty-two".