705111097 has 2 divisors, whose sum is σ = 705111098. Its totient is φ = 705111096.

The previous prime is 705111049. The next prime is 705111101. The reversal of 705111097 is 790111507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652751401 + 52359696 = 25549^2 + 7236^2 .

It is a cyclic number.

It is not a de Polignac number, because 705111097 - 2⁷ = 705110969 is a prime.

It is a super-2 number, since 2×705111097² = 994363318225086818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (705111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352555548 + 352555549.

It is an arithmetic number, because the mean of its divisors is an integer number (352555549).

Almost surely, 2^705111097 is an apocalyptic number.

It is an amenable number.

705111097 is a deficient number, since it is larger than the sum of its proper divisors (1).

705111097 is an equidigital number, since it uses as much as digits as its factorization.

705111097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 705111097 is about 26553.9280898326. The cubic root of 705111097 is about 890.0597935672.

The spelling of 705111097 in words is "seven hundred five million, one hundred eleven thousand, ninety-seven".