125565653 has 2 divisors, whose sum is σ = 125565654. Its totient is φ = 125565652.

The previous prime is 125565647. The next prime is 125565659. The reversal of 125565653 is 356565521.

It is a balanced prime because it is at equal distance from previous prime (125565647) and next prime (125565659).

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 528529 = 11182^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 125565653 - 2⁶ = 125565589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125565659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62782826 + 62782827.

It is an arithmetic number, because the mean of its divisors is an integer number (62782827).

Almost surely, 2^125565653 is an apocalyptic number.

It is an amenable number.

125565653 is a deficient number, since it is larger than the sum of its proper divisors (1).

125565653 is an equidigital number, since it uses as much as digits as its factorization.

125565653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 38.

The square root of 125565653 is about 11205.6081048732. The cubic root of 125565653 is about 500.7530692041.

The spelling of 125565653 in words is "one hundred twenty-five million, five hundred sixty-five thousand, six hundred fifty-three".