30001215 has 8 divisors (see below), whose sum is σ = 48001968. Its totient is φ = 16000640.

The previous prime is 30001201. The next prime is 30001241. The reversal of 30001215 is 51210003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30001215 - 2⁶ = 30001151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30001215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000026 + ... + 1000055.

It is an arithmetic number, because the mean of its divisors is an integer number (6000246).

Almost surely, 2^30001215 is an apocalyptic number.

30001215 is a deficient number, since it is larger than the sum of its proper divisors (18000753).

30001215 is a wasteful number, since it uses less digits than its factorization.

30001215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000089.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 30001215 is about 5477.3364877466. The cubic root of 30001215 is about 310.7274453026.

Adding to 30001215 its reverse (51210003), we get a palindrome (81211218).

The spelling of 30001215 in words is "thirty million, one thousand, two hundred fifteen".