2125355525 has 24 divisors (see below), whose sum is σ = 2693205600. Its totient is φ = 1663300800.

The previous prime is 2125355501. The next prime is 2125355537. The reversal of 2125355525 is 5255535212.

It is not a de Polignac number, because 2125355525 - 2⁸ = 2125355269 is a prime.

It is a super-2 number, since 2×2125355525² = 9034272215296051250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307811 + ... + 314639.

It is an arithmetic number, because the mean of its divisors is an integer number (112216900).

Almost surely, 2^2125355525 is an apocalyptic number.

2125355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2125355525 is a deficient number, since it is larger than the sum of its proper divisors (567850075).

2125355525 is a wasteful number, since it uses less digits than its factorization.

2125355525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109 (or 7104 counting only the distinct ones).

The product of its digits is 75000, while the sum is 35.

The square root of 2125355525 is about 46101.5783352371. The cubic root of 2125355525 is about 1285.7124897535.

The spelling of 2125355525 in words is "two billion, one hundred twenty-five million, three hundred fifty-five thousand, five hundred twenty-five".