2505529175525 has 6 divisors (see below), whose sum is σ = 3106856177682. Its totient is φ = 2004423340400.

The previous prime is 2505529175509. The next prime is 2505529175537. The reversal of 2505529175525 is 5255719255052.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 129288427489 + 2376240748036 = 359567^2 + 1541506^2 .

It is not a de Polignac number, because 2505529175525 - 2⁴ = 2505529175509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 50110583486 + ... + 50110583535.

It is an arithmetic number, because the mean of its divisors is an integer number (517809362947).

Almost surely, 2^{2505529175525} is an apocalyptic number.

2505529175525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505529175525 is a deficient number, since it is larger than the sum of its proper divisors (601327002157).

2505529175525 is a wasteful number, since it uses less digits than its factorization.

2505529175525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100221167031 (or 100221167026 counting only the distinct ones).

The product of its (nonzero) digits is 7875000, while the sum is 53.

The spelling of 2505529175525 in words is "two trillion, five hundred five billion, five hundred twenty-nine million, one hundred seventy-five thousand, five hundred twenty-five".