9213537 has 8 divisors (see below), whose sum is σ = 12931360. Its totient is φ = 5819040.

The previous prime is 9213527. The next prime is 9213559. The reversal of 9213537 is 7353129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9213537 - 2¹⁶ = 9148001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9213517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80764 + ... + 80877.

It is an arithmetic number, because the mean of its divisors is an integer number (1616420).

Almost surely, 2^9213537 is an apocalyptic number.

It is an amenable number.

9213537 is a deficient number, since it is larger than the sum of its proper divisors (3717823).

9213537 is a wasteful number, since it uses less digits than its factorization.

9213537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161663.

The product of its digits is 5670, while the sum is 30.

The square root of 9213537 is about 3035.3808657234. The cubic root of 9213537 is about 209.6406325403.

The spelling of 9213537 in words is "nine million, two hundred thirteen thousand, five hundred thirty-seven".