705459137 has 2 divisors, whose sum is σ = 705459138. Its totient is φ = 705459136.

The previous prime is 705459103. The next prime is 705459163. The reversal of 705459137 is 731954507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 680218561 + 25240576 = 26081^2 + 5024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705459137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705459094 and 705459103.

It is not a weakly prime, because it can be changed into another prime (705459187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352729568 + 352729569.

It is an arithmetic number, because the mean of its divisors is an integer number (352729569).

Almost surely, 2^705459137 is an apocalyptic number.

It is an amenable number.

705459137 is a deficient number, since it is larger than the sum of its proper divisors (1).

705459137 is an equidigital number, since it uses as much as digits as its factorization.

705459137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 705459137 is about 26560.4807373662. The cubic root of 705459137 is about 890.2062127900.

The spelling of 705459137 in words is "seven hundred five million, four hundred fifty-nine thousand, one hundred thirty-seven".