3525252525 has 72 divisors (see below), whose sum is σ = 6477270696. Its totient is φ = 1832140800.

The previous prime is 3525252517. The next prime is 3525252593. The reversal of 3525252525 is 5252525253.

3525252525 is a `hidden beast` number, since 35 + 2 + 52 + 52 + 525 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 2294505801 + 1230746724 = 47901^2 + 35082^2 .

It is not a de Polignac number, because 3525252525 - 2³ = 3525252517 is a prime.

3525252525 is a modest number, since divided by 252525 gives 3525 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3525252525.

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 71 ways as a sum of consecutive naturals, for example, 1549789 + ... + 1552061.

It is an arithmetic number, because the mean of its divisors is an integer number (89962093).

Almost surely, 2^3525252525 is an apocalyptic number.

It is an amenable number.

3525252525 is a deficient number, since it is larger than the sum of its proper divisors (2952018171).

3525252525 is a wasteful number, since it uses less digits than its factorization.

3525252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2455 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 3525252525 is about 59373.8370412423. The cubic root of 3525252525 is about 1521.9372409531.

Adding to 3525252525 its reverse (5252525253), we get a palindrome (8777777778).

The spelling of 3525252525 in words is "three billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".