30242655 has 12 divisors (see below), whose sum is σ = 52420680. Its totient is φ = 16129392.

The previous prime is 30242651. The next prime is 30242669. The reversal of 30242655 is 55624203.

30242655 is a `hidden beast` number, since 3 + 0 + 2 + 4 + 2 + 655 = 666.

It is not a de Polignac number, because 30242655 - 2² = 30242651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335985 + ... + 336074.

It is an arithmetic number, because the mean of its divisors is an integer number (4368390).

Almost surely, 2^30242655 is an apocalyptic number.

30242655 is a deficient number, since it is larger than the sum of its proper divisors (22178025).

30242655 is a wasteful number, since it uses less digits than its factorization.

30242655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672070 (or 672067 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30242655 is about 5499.3322321897. The cubic root of 30242655 is about 311.5587636166.

Adding to 30242655 its reverse (55624203), we get a palindrome (85866858).

The spelling of 30242655 in words is "thirty million, two hundred forty-two thousand, six hundred fifty-five".