30360021 has 8 divisors (see below), whose sum is σ = 41421600. Its totient is φ = 19769232.

The previous prime is 30359999. The next prime is 30360047. The reversal of 30360021 is 12006303.

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

It is not a de Polignac number, because 30360021 - 2¹¹ = 30357973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30360721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117546 + ... + 117803.

It is an arithmetic number, because the mean of its divisors is an integer number (5177700).

Almost surely, 2^30360021 is an apocalyptic number.

It is an amenable number.

30360021 is a deficient number, since it is larger than the sum of its proper divisors (11061579).

30360021 is a wasteful number, since it uses less digits than its factorization.

30360021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235395.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30360021 is about 5509.9928312113. The cubic root of 30360021 is about 311.9612768345.

Adding to 30360021 its reverse (12006303), we get a palindrome (42366324).

The spelling of 30360021 in words is "thirty million, three hundred sixty thousand, twenty-one".