705747541 has 2 divisors, whose sum is σ = 705747542. Its totient is φ = 705747540.

The previous prime is 705747521. The next prime is 705747547. The reversal of 705747541 is 145747507.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620259025 + 85488516 = 24905^2 + 9246^2 .

It is an emirp because it is prime and its reverse (145747507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705747541 - 2¹¹ = 705745493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705747494 and 705747503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705747547) 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, 352873770 + 352873771.

It is an arithmetic number, because the mean of its divisors is an integer number (352873771).

Almost surely, 2^705747541 is an apocalyptic number.

It is an amenable number.

705747541 is a deficient number, since it is larger than the sum of its proper divisors (1).

705747541 is an equidigital number, since it uses as much as digits as its factorization.

705747541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 705747541 is about 26565.9093764923. The cubic root of 705747541 is about 890.3275068715.

The spelling of 705747541 in words is "seven hundred five million, seven hundred forty-seven thousand, five hundred forty-one".