2525505530525 has 24 divisors (see below), whose sum is σ = 3137536048680. Its totient is φ = 2016593141760.

The previous prime is 2525505530519. The next prime is 2525505530543. The reversal of 2525505530525 is 5250355055252.

It can be written as a sum of positive squares in 12 ways, for example, as 95878787449 + 2429626743076 = 309643^2 + 1558726^2 .

It is not a de Polignac number, because 2525505530525 - 2¹² = 2525505526429 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 159662417 + ... + 159678233.

It is an arithmetic number, because the mean of its divisors is an integer number (130730668695).

Almost surely, 2^{2525505530525} is an apocalyptic number.

2525505530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525505530525 is a deficient number, since it is larger than the sum of its proper divisors (612030518155).

2525505530525 is a wasteful number, since it uses less digits than its factorization.

2525505530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27473 (or 27468 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 44.

The spelling of 2525505530525 in words is "two trillion, five hundred twenty-five billion, five hundred five million, five hundred thirty thousand, five hundred twenty-five".