705023617 has 2 divisors, whose sum is σ = 705023618. Its totient is φ = 705023616.

The previous prime is 705023597. The next prime is 705023629. The reversal of 705023617 is 716320507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700713841 + 4309776 = 26471^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 705023617 - 2⁷ = 705023489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705023687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352511808 + 352511809.

It is an arithmetic number, because the mean of its divisors is an integer number (352511809).

Almost surely, 2^705023617 is an apocalyptic number.

It is an amenable number.

705023617 is a deficient number, since it is larger than the sum of its proper divisors (1).

705023617 is an equidigital number, since it uses as much as digits as its factorization.

705023617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 705023617 is about 26552.2808248180. The cubic root of 705023617 is about 890.0229834573.

The spelling of 705023617 in words is "seven hundred five million, twenty-three thousand, six hundred seventeen".