30242665 has 8 divisors (see below), whose sum is σ = 36324288. Its totient is φ = 24172080.

The previous prime is 30242651. The next prime is 30242669. The reversal of 30242665 is 56624203.

It is a happy number.

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

It is not a de Polignac number, because 30242665 - 2²³ = 21854057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30242669) 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, 5554 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^30242665 is an apocalyptic number.

It is an amenable number.

30242665 is a deficient number, since it is larger than the sum of its proper divisors (6081623).

30242665 is a wasteful number, since it uses less digits than its factorization.

30242665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 30242665 is about 5499.3331413909. Note that the first 3 decimals coincide. The cubic root of 30242665 is about 311.5587979565.

Adding to 30242665 its reverse (56624203), we get a palindrome (86866868).

The spelling of 30242665 in words is "thirty million, two hundred forty-two thousand, six hundred sixty-five".