2005231 has 2 divisors, whose sum is σ = 2005232. Its totient is φ = 2005230.

The previous prime is 2005229. The next prime is 2005249. The reversal of 2005231 is 1325002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005231 - 2¹ = 2005229 is a prime.

It is a super-2 number, since 2×2005231² = 8041902726722, which contains 22 as substring.

Together with 2005229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002615 + 1002616.

It is an arithmetic number, because the mean of its divisors is an integer number (1002616).

2^2005231 is an apocalyptic number.

2005231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005231 is an equidigital number, since it uses as much as digits as its factorization.

2005231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2005231 is about 1416.0617924370. The cubic root of 2005231 is about 126.1018534795.

The spelling of 2005231 in words is "two million, five thousand, two hundred thirty-one".