9501 has 4 divisors (see below), whose sum is σ = 12672. Its totient is φ = 6332.

The previous prime is 9497. The next prime is 9511. The reversal of 9501 is 1059.

9501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1059 = 3 ⋅353.

It is a cyclic number.

It is not a de Polignac number, because 9501 - 2² = 9497 is a prime.

It is a D-number.

9501 is a lucky 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 (9511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (3168).

2⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

9501 is a deficient number, since it is larger than the sum of its proper divisors (3171).

9501 is a wasteful number, since it uses less digits than its factorization.

9501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 9501 is about 97.4730732049. The cubic root of 9501 is about 21.1798610221.

The spelling of 9501 in words is "nine thousand, five hundred one".