8355013 has 2 divisors, whose sum is σ = 8355014. Its totient is φ = 8355012.

The previous prime is 8355001. The next prime is 8355031. The reversal of 8355013 is 3105538.

It is a happy number.

Together with next prime (8355031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 3869089 = 2118^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 8355013 - 2²¹ = 6257861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8355043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177506 + 4177507.

It is an arithmetic number, because the mean of its divisors is an integer number (4177507).

Almost surely, 2^8355013 is an apocalyptic number.

It is an amenable number.

8355013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8355013 is an equidigital number, since it uses as much as digits as its factorization.

8355013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 8355013 is about 2890.5039353026. The cubic root of 8355013 is about 202.9157277585.

The spelling of 8355013 in words is "eight million, three hundred fifty-five thousand, thirteen".