906539 has 2 divisors, whose sum is σ = 906540. Its totient is φ = 906538.

The previous prime is 906523. The next prime is 906541. The reversal of 906539 is 935609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 906539 - 2⁴ = 906523 is a prime.

Together with 906541, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 906539.

It is not a weakly prime, because it can be changed into another prime (906589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453269 + 453270.

It is an arithmetic number, because the mean of its divisors is an integer number (453270).

2⁹⁰⁶⁵³⁹ is an apocalyptic number.

906539 is a deficient number, since it is larger than the sum of its proper divisors (1).

906539 is an equidigital number, since it uses as much as digits as its factorization.

906539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 906539 is about 952.1234163700. The cubic root of 906539 is about 96.7822016659.

The spelling of 906539 in words is "nine hundred six thousand, five hundred thirty-nine".