1705331 has 2 divisors, whose sum is σ = 1705332. Its totient is φ = 1705330.

The previous prime is 1705309. The next prime is 1705339. The reversal of 1705331 is 1335071.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1705331 - 2⁶ = 1705267 is a prime.

It is a super-2 number, since 2×1705331² = 5816307639122, which contains 22 as substring.

It is equal to p₁₂₈₅₁₃ and since 1705331 and 128513 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1705339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852665 + 852666.

It is an arithmetic number, because the mean of its divisors is an integer number (852666).

2^1705331 is an apocalyptic number.

1705331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1705331 is an equidigital number, since it uses as much as digits as its factorization.

1705331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1705331 is about 1305.8832260198. The cubic root of 1705331 is about 119.4729431107.

The spelling of 1705331 in words is "one million, seven hundred five thousand, three hundred thirty-one".