2525013521 has 2 divisors, whose sum is σ = 2525013522. Its totient is φ = 2525013520.

The previous prime is 2525013487. The next prime is 2525013593. The reversal of 2525013521 is 1253105252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418180625 + 106832896 = 49175^2 + 10336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525013521 - 2³⁰ = 1451271697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525012521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262506760 + 1262506761.

It is an arithmetic number, because the mean of its divisors is an integer number (1262506761).

Almost surely, 2^2525013521 is an apocalyptic number.

It is an amenable number.

2525013521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525013521 is an equidigital number, since it uses as much as digits as its factorization.

2525013521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2525013521 is about 50249.5126444028. The cubic root of 2525013521 is about 1361.7202713790.

Adding to 2525013521 its reverse (1253105252), we get a palindrome (3778118773).

The spelling of 2525013521 in words is "two billion, five hundred twenty-five million, thirteen thousand, five hundred twenty-one".