9505213 has 4 divisors (see below), whose sum is σ = 9537948. Its totient is φ = 9472480.

The previous prime is 9505207. The next prime is 9505241. The reversal of 9505213 is 3125059.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9018009 + 487204 = 3003^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 9505213 - 2¹³ = 9497021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9505253) 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 3 ways as a sum of consecutive naturals, for example, 15928 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (2384487).

Almost surely, 2^9505213 is an apocalyptic number.

It is an amenable number.

9505213 is a deficient number, since it is larger than the sum of its proper divisors (32735).

9505213 is a wasteful number, since it uses less digits than its factorization.

9505213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32734.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 9505213 is about 3083.0525457734. The cubic root of 9505213 is about 211.8299113366.

The spelling of 9505213 in words is "nine million, five hundred five thousand, two hundred thirteen".