525305525 has 24 divisors (see below), whose sum is σ = 702738504. Its totient is φ = 388044800.

The previous prime is 525305513. The next prime is 525305563. The reversal of 525305525 is 525503525.

It can be written as a sum of positive squares in 12 ways, for example, as 43151761 + 482153764 = 6569^2 + 21958^2 .

It is not a de Polignac number, because 525305525 - 2¹⁶ = 525239989 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525305491 and 525305500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10865 + ... + 34185.

It is an arithmetic number, because the mean of its divisors is an integer number (29280771).

Almost surely, 2^525305525 is an apocalyptic number.

It is an amenable number.

525305525 is a deficient number, since it is larger than the sum of its proper divisors (177432979).

525305525 is a wasteful number, since it uses less digits than its factorization.

525305525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23401 (or 23396 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 525305525 is about 22919.5446071688. The cubic root of 525305525 is about 806.8707824392.

The spelling of 525305525 in words is "five hundred twenty-five million, three hundred five thousand, five hundred twenty-five".