9518725 has 12 divisors (see below), whose sum is σ = 12498084. Its totient is φ = 7166720.

The previous prime is 9518723. The next prime is 9518737. The reversal of 9518725 is 5278159.

It can be written as a sum of positive squares in 6 ways, for example, as 857476 + 8661249 = 926^2 + 2943^2 .

It is not a de Polignac number, because 9518725 - 2¹ = 9518723 is a prime.

It is a super-2 number, since 2×9518725² = 181212251251250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9518723) 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 11 ways as a sum of consecutive naturals, for example, 10774 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (1041507).

Almost surely, 2^9518725 is an apocalyptic number.

It is an amenable number.

9518725 is a deficient number, since it is larger than the sum of its proper divisors (2979359).

9518725 is a wasteful number, since it uses less digits than its factorization.

9518725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22424 (or 22419 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The square root of 9518725 is about 3085.2431022530. The cubic root of 9518725 is about 211.9302384088.

The spelling of 9518725 in words is "nine million, five hundred eighteen thousand, seven hundred twenty-five".