9652525781 has 2 divisors, whose sum is σ = 9652525782. Its totient is φ = 9652525780.

The previous prime is 9652525777. The next prime is 9652525789. The reversal of 9652525781 is 1875252569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7892723281 + 1759802500 = 88841^2 + 41950^2 .

It is an emirp because it is prime and its reverse (1875252569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9652525781 - 2² = 9652525777 is a prime.

It is a super-2 number, since 2×9652525781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9652525789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4826262890 + 4826262891.

It is an arithmetic number, because the mean of its divisors is an integer number (4826262891).

Almost surely, 2^9652525781 is an apocalyptic number.

It is an amenable number.

9652525781 is a deficient number, since it is larger than the sum of its proper divisors (1).

9652525781 is an equidigital number, since it uses as much as digits as its factorization.

9652525781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 50.

The square root of 9652525781 is about 98247.2685676299. The cubic root of 9652525781 is about 2129.1862689169.

The spelling of 9652525781 in words is "nine billion, six hundred fifty-two million, five hundred twenty-five thousand, seven hundred eighty-one".