9750557 has 2 divisors, whose sum is σ = 9750558. Its totient is φ = 9750556.

The previous prime is 9750547. The next prime is 9750563. The reversal of 9750557 is 7550579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 2292196 = 2731^2 + 1514^2 .

It is an emirp because it is prime and its reverse (7550579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9750557 - 2⁴ = 9750541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9750557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9750527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4875278 + 4875279.

It is an arithmetic number, because the mean of its divisors is an integer number (4875279).

Almost surely, 2^9750557 is an apocalyptic number.

It is an amenable number.

9750557 is a deficient number, since it is larger than the sum of its proper divisors (1).

9750557 is an equidigital number, since it uses as much as digits as its factorization.

9750557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55125, while the sum is 38.

The square root of 9750557 is about 3122.5881893071. The cubic root of 9750557 is about 213.6370021628.

The spelling of 9750557 in words is "nine million, seven hundred fifty thousand, five hundred fifty-seven".