906013 has 2 divisors, whose sum is σ = 906014. Its totient is φ = 906012.

The previous prime is 906011. The next prime is 906023. The reversal of 906013 is 310609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 195364 = 843^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 906013 - 2¹ = 906011 is a prime.

Together with 906011, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453006 + 453007.

It is an arithmetic number, because the mean of its divisors is an integer number (453007).

2⁹⁰⁶⁰¹³ is an apocalyptic number.

It is an amenable number.

906013 is a deficient number, since it is larger than the sum of its proper divisors (1).

906013 is an equidigital number, since it uses as much as digits as its factorization.

906013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 906013 is about 951.8471515953. The cubic root of 906013 is about 96.7634794387.

The spelling of 906013 in words is "nine hundred six thousand, thirteen".