705214831 has 2 divisors, whose sum is σ = 705214832. Its totient is φ = 705214830.

The previous prime is 705214823. The next prime is 705214841. The reversal of 705214831 is 138412507.

705214831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705214831 - 2³ = 705214823 is a prime.

It is a super-2 number, since 2×705214831² = 994655915724717122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_36509044 and since 705214831 and 36509044 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 705214793 and 705214802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705214841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352607415 + 352607416.

It is an arithmetic number, because the mean of its divisors is an integer number (352607416).

Almost surely, 2^705214831 is an apocalyptic number.

705214831 is a deficient number, since it is larger than the sum of its proper divisors (1).

705214831 is an equidigital number, since it uses as much as digits as its factorization.

705214831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 705214831 is about 26555.8812883323. The cubic root of 705214831 is about 890.1034391410.

The spelling of 705214831 in words is "seven hundred five million, two hundred fourteen thousand, eight hundred thirty-one".