52612021625 has 16 divisors (see below), whose sum is σ = 66559263888. Its totient is φ = 41513040000.

The previous prime is 52612021613. The next prime is 52612021639.

52612021625 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 1904187769 + 50707833856 = 43637^2 + 225184^2 .

It is not a de Polignac number, because 52612021625 - 2⁸ = 52612021369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52612021591 and 52612021600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2873726 + ... + 2891975.

It is an arithmetic number, because the mean of its divisors is an integer number (4159953993).

Almost surely, 2^52612021625 is an apocalyptic number.

It is an amenable number.

52612021625 is a deficient number, since it is larger than the sum of its proper divisors (13947242263).

52612021625 is an equidigital number, since it uses as much as digits as its factorization.

52612021625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765789 (or 5765779 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

It can be divided in two parts, 526120 and 21625, that added together give a palindrome (547745).

The spelling of 52612021625 in words is "fifty-two billion, six hundred twelve million, twenty-one thousand, six hundred twenty-five".