20325003253 has 2 divisors, whose sum is σ = 20325003254. Its totient is φ = 20325003252.

The previous prime is 20325003217. The next prime is 20325003263. The reversal of 20325003253 is 35230052302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19949302564 + 375700689 = 141242^2 + 19383^2 .

It is a cyclic number.

It is not a de Polignac number, because 20325003253 - 2⁹ = 20325002741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20325003263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162501626 + 10162501627.

It is an arithmetic number, because the mean of its divisors is an integer number (10162501627).

Almost surely, 2^20325003253 is an apocalyptic number.

It is an amenable number.

20325003253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325003253 is an equidigital number, since it uses as much as digits as its factorization.

20325003253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 20325003253 its reverse (35230052302), we get a palindrome (55555055555).

The spelling of 20325003253 in words is "twenty billion, three hundred twenty-five million, three thousand, two hundred fifty-three".