1253925071953 has 2 divisors, whose sum is σ = 1253925071954. Its totient is φ = 1253925071952.

The previous prime is 1253925071941. The next prime is 1253925072031. The reversal of 1253925071953 is 3591705293521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086998078464 + 166926993489 = 1042592^2 + 408567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253925071953 - 2¹⁷ = 1253924940881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253925071953.

It is not a weakly prime, because it can be changed into another prime (1253925071053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626962535976 + 626962535977.

It is an arithmetic number, because the mean of its divisors is an integer number (626962535977).

Almost surely, 2^{1253925071953} is an apocalyptic number.

It is an amenable number.

1253925071953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253925071953 is an equidigital number, since it uses as much as digits as its factorization.

1253925071953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 1253925071953 in words is "one trillion, two hundred fifty-three billion, nine hundred twenty-five million, seventy-one thousand, nine hundred fifty-three".