30500025253025 has 12 divisors (see below), whose sum is σ = 39124170325500. Its totient is φ = 23558640194880.

The previous prime is 30500025253021. The next prime is 30500025253079. The reversal of 30500025253025 is 52035252000503.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6793409577889 + 23706615675136 = 2606417^2 + 4868944^2 .

It is not a de Polignac number, because 30500025253025 - 2² = 30500025253021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30500025252982 and 30500025253000.

It is not an unprimeable number, because it can be changed into a prime (30500025253021) 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, 21034499450 + ... + 21034500899.

It is an arithmetic number, because the mean of its divisors is an integer number (3260347527125).

Almost surely, 2^{30500025253025} is an apocalyptic number.

It is an amenable number.

30500025253025 is a deficient number, since it is larger than the sum of its proper divisors (8624145072475).

30500025253025 is a wasteful number, since it uses less digits than its factorization.

30500025253025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069000388 (or 42069000383 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

Adding to 30500025253025 its reverse (52035252000503), we get a palindrome (82535277253528).

The spelling of 30500025253025 in words is "thirty trillion, five hundred billion, twenty-five million, two hundred fifty-three thousand, twenty-five".