525626525 has 12 divisors (see below), whose sum is σ = 653464500. Its totient is φ = 419412480.

The previous prime is 525626509. The next prime is 525626527.

525626525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 1170724 + 524455801 = 1082^2 + 22901^2 .

It is not a de Polignac number, because 525626525 - 2⁴ = 525626509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525626527) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17300 + ... + 36749.

It is an arithmetic number, because the mean of its divisors is an integer number (54455375).

Almost surely, 2^525626525 is an apocalyptic number.

It is an amenable number.

525626525 is a deficient number, since it is larger than the sum of its proper divisors (127837975).

525626525 is a wasteful number, since it uses less digits than its factorization.

525626525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54448 (or 54443 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 525626525 is about 22926.5462946341. The cubic root of 525626525 is about 807.0351012782.

The spelling of 525626525 in words is "five hundred twenty-five million, six hundred twenty-six thousand, five hundred twenty-five".