1252125533 has 2 divisors, whose sum is σ = 1252125534. Its totient is φ = 1252125532.

The previous prime is 1252125529. The next prime is 1252125559. The reversal of 1252125533 is 3355212521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036711204 + 215414329 = 32198^2 + 14677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252125533 - 2² = 1252125529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252125496 and 1252125505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252122533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626062766 + 626062767.

It is an arithmetic number, because the mean of its divisors is an integer number (626062767).

Almost surely, 2^1252125533 is an apocalyptic number.

It is an amenable number.

1252125533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252125533 is an equidigital number, since it uses as much as digits as its factorization.

1252125533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 1252125533 is about 35385.3858676149. The cubic root of 1252125533 is about 1077.8275755332.

The spelling of 1252125533 in words is "one billion, two hundred fifty-two million, one hundred twenty-five thousand, five hundred thirty-three".