705031 has 2 divisors, whose sum is σ = 705032. Its totient is φ = 705030.

The previous prime is 705017. The next prime is 705043. The reversal of 705031 is 130507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705031 - 2⁵ = 704999 is a prime.

It is a super-2 number, since 2×705031² = 994137421922, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 704996 and 705014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352515 + 352516.

It is an arithmetic number, because the mean of its divisors is an integer number (352516).

2⁷⁰⁵⁰³¹ is an apocalyptic number.

705031 is a deficient number, since it is larger than the sum of its proper divisors (1).

705031 is an equidigital number, since it uses as much as digits as its factorization.

705031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 705031 is about 839.6612412158. The cubic root of 705031 is about 89.0026090217.

Adding to 705031 its reverse (130507), we get a palindrome (835538).

The spelling of 705031 in words is "seven hundred five thousand, thirty-one".