2505543533 has 2 divisors, whose sum is σ = 2505543534. Its totient is φ = 2505543532.

The previous prime is 2505543517. The next prime is 2505543583. The reversal of 2505543533 is 3353455052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2320637929 + 184905604 = 48173^2 + 13598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505543533 - 2⁴ = 2505543517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505543493 and 2505543502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505543583) 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, 1252771766 + 1252771767.

It is an arithmetic number, because the mean of its divisors is an integer number (1252771767).

Almost surely, 2^2505543533 is an apocalyptic number.

It is an amenable number.

2505543533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505543533 is an equidigital number, since it uses as much as digits as its factorization.

2505543533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 35.

The square root of 2505543533 is about 50055.4046332661. The cubic root of 2505543533 is about 1358.2112319752.

Adding to 2505543533 its reverse (3353455052), we get a palindrome (5858998585).

The spelling of 2505543533 in words is "two billion, five hundred five million, five hundred forty-three thousand, five hundred thirty-three".