1025998350133 has 2 divisors, whose sum is σ = 1025998350134. Its totient is φ = 1025998350132.

The previous prime is 1025998350131. The next prime is 1025998350149. The reversal of 1025998350133 is 3310538995201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524765501649 + 501232848484 = 724407^2 + 707978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025998350133 - 2¹ = 1025998350131 is a prime.

It is a super-2 number, since 2×1025998350133² (a number of 25 digits) contains 22 as substring.

Together with 1025998350131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025998350131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512999175066 + 512999175067.

It is an arithmetic number, because the mean of its divisors is an integer number (512999175067).

Almost surely, 2^{1025998350133} is an apocalyptic number.

It is an amenable number.

1025998350133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025998350133 is an equidigital number, since it uses as much as digits as its factorization.

1025998350133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 1025998350133 in words is "one trillion, twenty-five billion, nine hundred ninety-eight million, three hundred fifty thousand, one hundred thirty-three".