1052445502021 has 2 divisors, whose sum is σ = 1052445502022. Its totient is φ = 1052445502020.

The previous prime is 1052445501941. The next prime is 1052445502027. The reversal of 1052445502021 is 1202055442501.

1052445502021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770601309921 + 281844192100 = 877839^2 + 530890^2 .

It is an emirp because it is prime and its reverse (1202055442501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052445502021 - 2²⁵ = 1052411947589 is a prime.

It is a super-2 number, since 2×1052445502021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052445502027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526222751010 + 526222751011.

It is an arithmetic number, because the mean of its divisors is an integer number (526222751011).

Almost surely, 2^{1052445502021} is an apocalyptic number.

It is an amenable number.

1052445502021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052445502021 is an equidigital number, since it uses as much as digits as its factorization.

1052445502021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 1052445502021 in words is "one trillion, fifty-two billion, four hundred forty-five million, five hundred two thousand, twenty-one".