30305005025 has 6 divisors (see below), whose sum is σ = 37578206262. Its totient is φ = 24244004000.

The previous prime is 30305005019. The next prime is 30305005043. The reversal of 30305005025 is 52050050303.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8585319649 + 21719685376 = 92657^2 + 147376^2 .

It is not a de Polignac number, because 30305005025 - 2⁴ = 30305005009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606100076 + ... + 606100125.

It is an arithmetic number, because the mean of its divisors is an integer number (6263034377).

Almost surely, 2^30305005025 is an apocalyptic number.

It is an amenable number.

30305005025 is a deficient number, since it is larger than the sum of its proper divisors (7273201237).

30305005025 is a wasteful number, since it uses less digits than its factorization.

30305005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212200211 (or 1212200206 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

Adding to 30305005025 its reverse (52050050303), we get a palindrome (82355055328).

The spelling of 30305005025 in words is "thirty billion, three hundred five million, five thousand, twenty-five".