30500305025 has 12 divisors (see below), whose sum is σ = 38070849024. Its totient is φ = 24238650000.

The previous prime is 30500304983. The next prime is 30500305093. The reversal of 30500305025 is 52050300503.

It is a happy number.

It is not a de Polignac number, because 30500305025 - 2²⁶ = 30433196161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4036001 + ... + 4043550.

It is an arithmetic number, because the mean of its divisors is an integer number (3172570752).

Almost surely, 2^30500305025 is an apocalyptic number.

It is an amenable number.

30500305025 is a deficient number, since it is larger than the sum of its proper divisors (7570543999).

30500305025 is a wasteful number, since it uses less digits than its factorization.

30500305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079712 (or 8079707 counting only the distinct ones).

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

Adding to 30500305025 its reverse (52050300503), we get a palindrome (82550605528).

The spelling of 30500305025 in words is "thirty billion, five hundred million, three hundred five thousand, twenty-five".