705361031 has 2 divisors, whose sum is σ = 705361032. Its totient is φ = 705361030.

The previous prime is 705360961. The next prime is 705361037. The reversal of 705361031 is 130163507.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705361031 is a prime.

It is a super-2 number, since 2×705361031² = 995068368106765922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705361037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352680515 + 352680516.

It is an arithmetic number, because the mean of its divisors is an integer number (352680516).

Almost surely, 2^705361031 is an apocalyptic number.

705361031 is a deficient number, since it is larger than the sum of its proper divisors (1).

705361031 is an equidigital number, since it uses as much as digits as its factorization.

705361031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 705361031 is about 26558.6338315810. The cubic root of 705361031 is about 890.1649448106.

The spelling of 705361031 in words is "seven hundred five million, three hundred sixty-one thousand, thirty-one".