52542525137 has 2 divisors, whose sum is σ = 52542525138. Its totient is φ = 52542525136.

The previous prime is 52542525067. The next prime is 52542525151. The reversal of 52542525137 is 73152524525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52369576336 + 172948801 = 228844^2 + 13151^2 .

It is a cyclic number.

It is not a de Polignac number, because 52542525137 - 2¹² = 52542521041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52542525094 and 52542525103.

It is not a weakly prime, because it can be changed into another prime (52542125137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271262568 + 26271262569.

It is an arithmetic number, because the mean of its divisors is an integer number (26271262569).

Almost surely, 2^52542525137 is an apocalyptic number.

It is an amenable number.

52542525137 is a deficient number, since it is larger than the sum of its proper divisors (1).

52542525137 is an equidigital number, since it uses as much as digits as its factorization.

52542525137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420000, while the sum is 41.

The spelling of 52542525137 in words is "fifty-two billion, five hundred forty-two million, five hundred twenty-five thousand, one hundred thirty-seven".