9213525 has 18 divisors (see below), whose sum is σ = 16502850. Its totient is φ = 4913760.

The previous prime is 9213517. The next prime is 9213527. The reversal of 9213525 is 5253129.

It can be written as a sum of positive squares in 3 ways, for example, as 463761 + 8749764 = 681^2 + 2958^2 .

It is not a de Polignac number, because 9213525 - 2³ = 9213517 is a prime.

It is a d-powerful number, because it can be written as 9 + 2³ + 1 + 3¹⁴ + 5⁹ + 2¹⁹ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9213527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20250 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (916825).

Almost surely, 2^9213525 is an apocalyptic number.

It is an amenable number.

9213525 is a deficient number, since it is larger than the sum of its proper divisors (7289325).

9213525 is a wasteful number, since it uses less digits than its factorization.

9213525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40965 (or 40957 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 9213525 is about 3035.3788890351. The cubic root of 9213525 is about 209.6405415261.

The spelling of 9213525 in words is "nine million, two hundred thirteen thousand, five hundred twenty-five".