906331 has 2 divisors, whose sum is σ = 906332. Its totient is φ = 906330.

The previous prime is 906329. The next prime is 906343. The reversal of 906331 is 133609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 906331 - 2¹ = 906329 is a prime.

It is a super-2 number, since 2×906331² = 1642871763122, which contains 22 as substring.

Together with 906329, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (906371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453165 + 453166.

It is an arithmetic number, because the mean of its divisors is an integer number (453166).

2⁹⁰⁶³³¹ is an apocalyptic number.

906331 is a deficient number, since it is larger than the sum of its proper divisors (1).

906331 is an equidigital number, since it uses as much as digits as its factorization.

906331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 906331 is about 952.0141805667. The cubic root of 906331 is about 96.7747990655.

The spelling of 906331 in words is "nine hundred six thousand, three hundred thirty-one".