30252240553 has 4 divisors (see below), whose sum is σ = 31844463760. Its totient is φ = 28660017348.

The previous prime is 30252240541. The next prime is 30252240563. The reversal of 30252240553 is 35504225203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35504225203 = 67 ⋅529913809.

It is a cyclic number.

It is not a de Polignac number, because 30252240553 - 2⁵ = 30252240521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30252240533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796111575 + ... + 796111612.

It is an arithmetic number, because the mean of its divisors is an integer number (7961115940).

Almost surely, 2^30252240553 is an apocalyptic number.

It is an amenable number.

30252240553 is a deficient number, since it is larger than the sum of its proper divisors (1592223207).

30252240553 is a wasteful number, since it uses less digits than its factorization.

30252240553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592223206.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 30252240553 its reverse (35504225203), we get a palindrome (65756465756).

The spelling of 30252240553 in words is "thirty billion, two hundred fifty-two million, two hundred forty thousand, five hundred fifty-three".