2532505540021 has 2 divisors, whose sum is σ = 2532505540022. Its totient is φ = 2532505540020.

The previous prime is 2532505539961. The next prime is 2532505540027. The reversal of 2532505540021 is 1200455052352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288767587121 + 1243737952900 = 1135239^2 + 1115230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2532505540021 - 2¹⁷ = 2532505408949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2532505540027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266252770010 + 1266252770011.

It is an arithmetic number, because the mean of its divisors is an integer number (1266252770011).

Almost surely, 2^{2532505540021} is an apocalyptic number.

It is an amenable number.

2532505540021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2532505540021 is an equidigital number, since it uses as much as digits as its factorization.

2532505540021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 2532505540021 in words is "two trillion, five hundred thirty-two billion, five hundred five million, five hundred forty thousand, twenty-one".