1010020003253 has 2 divisors, whose sum is σ = 1010020003254. Its totient is φ = 1010020003252.

The previous prime is 1010020003199. The next prime is 1010020003259. The reversal of 1010020003253 is 3523000200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712839112804 + 297180890449 = 844298^2 + 545143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020003253 - 2⁶ = 1010020003189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020003259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010001626 + 505010001627.

It is an arithmetic number, because the mean of its divisors is an integer number (505010001627).

Almost surely, 2^{1010020003253} is an apocalyptic number.

It is an amenable number.

1010020003253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020003253 is an equidigital number, since it uses as much as digits as its factorization.

1010020003253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 1010020003253 its reverse (3523000200101), we get a palindrome (4533020203354).

The spelling of 1010020003253 in words is "one trillion, ten billion, twenty million, three thousand, two hundred fifty-three".