1065723713 has 2 divisors, whose sum is σ = 1065723714. Its totient is φ = 1065723712.

The previous prime is 1065723709. The next prime is 1065723719. The reversal of 1065723713 is 3173275601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032465424 + 33258289 = 32132^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065723713 - 2² = 1065723709 is a prime.

It is a super-2 number, since 2×1065723713² = 2271534064901012738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1065723719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532861856 + 532861857.

It is an arithmetic number, because the mean of its divisors is an integer number (532861857).

Almost surely, 2^1065723713 is an apocalyptic number.

It is an amenable number.

1065723713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065723713 is an equidigital number, since it uses as much as digits as its factorization.

1065723713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 1065723713 is about 32645.4240744396. The cubic root of 1065723713 is about 1021.4447401403. Note that the first 3 decimals are identical.

The spelling of 1065723713 in words is "one billion, sixty-five million, seven hundred twenty-three thousand, seven hundred thirteen".