52012421025 has 96 divisors (see below), whose sum is σ = 88588080000. Its totient is φ = 26919720960.

The previous prime is 52012420931. The next prime is 52012421029.

52012421025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52012421025 - 2⁸ = 52012420769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52012420986 and 52012421004.

It is not an unprimeable number, because it can be changed into a prime (52012421029) 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 95 ways as a sum of consecutive naturals, for example, 149032551 + ... + 149032899.

It is an arithmetic number, because the mean of its divisors is an integer number (922792500).

Almost surely, 2^52012421025 is an apocalyptic number.

It is an amenable number.

52012421025 is a deficient number, since it is larger than the sum of its proper divisors (36575658975).

52012421025 is a wasteful number, since it uses less digits than its factorization.

52012421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 52012421025 in words is "fifty-two billion, twelve million, four hundred twenty-one thousand, twenty-five".