52542125137 has 2 divisors, whose sum is σ = 52542125138. Its totient is φ = 52542125136.

The previous prime is 52542125123. The next prime is 52542125159. The reversal of 52542125137 is 73152124525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45027142416 + 7514982721 = 212196^2 + 86689^2 .

It is a cyclic number.

It is not a de Polignac number, because 52542125137 - 2³¹ = 50394641489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52542125096 and 52542125105.

It is not a weakly prime, because it can be changed into another prime (52542125107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271062568 + 26271062569.

It is an arithmetic number, because the mean of its divisors is an integer number (26271062569).

Almost surely, 2^52542125137 is an apocalyptic number.

It is an amenable number.

52542125137 is a deficient number, since it is larger than the sum of its proper divisors (1).

52542125137 is an equidigital number, since it uses as much as digits as its factorization.

52542125137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The spelling of 52542125137 in words is "fifty-two billion, five hundred forty-two million, one hundred twenty-five thousand, one hundred thirty-seven".