30309052 has 6 divisors (see below), whose sum is σ = 53040848. Its totient is φ = 15154524.

The previous prime is 30309049. The next prime is 30309107. The reversal of 30309052 is 25090303.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788628 + ... + 3788635.

Almost surely, 2^30309052 is an apocalyptic number.

It is an amenable number.

30309052 is a deficient number, since it is larger than the sum of its proper divisors (22731796).

30309052 is a wasteful number, since it uses less digits than its factorization.

30309052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577267 (or 7577265 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 30309052 is about 5505.3657462516. The cubic root of 30309052 is about 311.7866034752.

Adding to 30309052 its reverse (25090303), we get a palindrome (55399355).

The spelling of 30309052 in words is "thirty million, three hundred nine thousand, fifty-two".