52412821425 has 72 divisors (see below), whose sum is σ = 97098213888. Its totient is φ = 26997984000.

The previous prime is 52412821423. The next prime is 52412821453.

52412821425 is a `hidden beast` number, since 5 + 2 + 412 + 8 + 214 + 25 = 666.

52412821425 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52412821425 - 2¹ = 52412821423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52412821425.

It is not an unprimeable number, because it can be changed into a prime (52412821423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3626764 + ... + 3641186.

It is an arithmetic number, because the mean of its divisors is an integer number (1348586304).

Almost surely, 2^52412821425 is an apocalyptic number.

It is an amenable number.

52412821425 is a deficient number, since it is larger than the sum of its proper divisors (44685392463).

52412821425 is a wasteful number, since it uses less digits than its factorization.

52412821425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991 (or 14983 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The spelling of 52412821425 in words is "fifty-two billion, four hundred twelve million, eight hundred twenty-one thousand, four hundred twenty-five".