30052215 has 20 divisors (see below), whose sum is σ = 53872104. Its totient is φ = 16027632.

The previous prime is 30052213. The next prime is 30052229. The reversal of 30052215 is 51225003.

It is a happy number.

It is not a de Polignac number, because 30052215 - 2¹ = 30052213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36697 + ... + 37506.

Almost surely, 2^30052215 is an apocalyptic number.

30052215 is a deficient number, since it is larger than the sum of its proper divisors (23819889).

30052215 is an equidigital number, since it uses as much as digits as its factorization.

30052215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74220 (or 74211 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30052215 is about 5481.9900583638. The cubic root of 30052215 is about 310.9034173816.

Adding to 30052215 its reverse (51225003), we get a palindrome (81277218).

The spelling of 30052215 in words is "thirty million, fifty-two thousand, two hundred fifteen".