125538953 has 2 divisors, whose sum is σ = 125538954. Its totient is φ = 125538952.

The previous prime is 125538937. The next prime is 125538977. The reversal of 125538953 is 359835521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65739664 + 59799289 = 8108^2 + 7733^2 .

It is an emirp because it is prime and its reverse (359835521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125538953 - 2⁴ = 125538937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125538953.

It is not a weakly prime, because it can be changed into another prime (125538923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62769476 + 62769477.

It is an arithmetic number, because the mean of its divisors is an integer number (62769477).

Almost surely, 2^125538953 is an apocalyptic number.

It is an amenable number.

125538953 is a deficient number, since it is larger than the sum of its proper divisors (1).

125538953 is an equidigital number, since it uses as much as digits as its factorization.

125538953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 125538953 is about 11204.4166737943. The cubic root of 125538953 is about 500.7175736834.

The spelling of 125538953 in words is "one hundred twenty-five million, five hundred thirty-eight thousand, nine hundred fifty-three".