125252525273 has 2 divisors, whose sum is σ = 125252525274. Its totient is φ = 125252525272.

The previous prime is 125252525221. The next prime is 125252525297. The reversal of 125252525273 is 372525252521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67100167369 + 58152357904 = 259037^2 + 241148^2 .

It is a cyclic number.

It is not a de Polignac number, because 125252525273 - 2²⁸ = 124984089817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125252525273.

It is not a weakly prime, because it can be changed into another prime (125252522273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62626262636 + 62626262637.

It is an arithmetic number, because the mean of its divisors is an integer number (62626262637).

Almost surely, 2^125252525273 is an apocalyptic number.

It is an amenable number.

125252525273 is a deficient number, since it is larger than the sum of its proper divisors (1).

125252525273 is an equidigital number, since it uses as much as digits as its factorization.

125252525273 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.

Adding to 125252525273 its reverse (372525252521), we get a palindrome (497777777794).

The spelling of 125252525273 in words is "one hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred seventy-three".