52121167604237 has 2 divisors, whose sum is σ = 52121167604238. Its totient is φ = 52121167604236.

The previous prime is 52121167604171. The next prime is 52121167604239. The reversal of 52121167604237 is 73240676112125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38467706590756 + 13653461013481 = 6202234^2 + 3695059^2 .

It is a cyclic number.

It is not a de Polignac number, because 52121167604237 - 2¹² = 52121167600141 is a prime.

It is a super-2 number, since 2×52121167604237² (a number of 28 digits) contains 22 as substring.

Together with 52121167604239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52121167604191 and 52121167604200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52121167604239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060583802118 + 26060583802119.

It is an arithmetic number, because the mean of its divisors is an integer number (26060583802119).

Almost surely, 2^{52121167604237} is an apocalyptic number.

It is an amenable number.

52121167604237 is a deficient number, since it is larger than the sum of its proper divisors (1).

52121167604237 is an equidigital number, since it uses as much as digits as its factorization.

52121167604237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 52121167604237 in words is "fifty-two trillion, one hundred twenty-one billion, one hundred sixty-seven million, six hundred four thousand, two hundred thirty-seven".