9506813 has 2 divisors, whose sum is σ = 9506814. Its totient is φ = 9506812.

The previous prime is 9506773. The next prime is 9506837. The reversal of 9506813 is 3186059.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 1338649 = 2858^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 9506813 - 2²² = 5312509 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9506813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9526813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4753406 + 4753407.

It is an arithmetic number, because the mean of its divisors is an integer number (4753407).

Almost surely, 2^9506813 is an apocalyptic number.

It is an amenable number.

9506813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9506813 is an equidigital number, since it uses as much as digits as its factorization.

9506813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9506813 is about 3083.3120179443. The cubic root of 9506813 is about 211.8417963532.

The spelling of 9506813 in words is "nine million, five hundred six thousand, eight hundred thirteen".