825530011 has 2 divisors, whose sum is σ = 825530012. Its totient is φ = 825530010.

The previous prime is 825530009. The next prime is 825530029. The reversal of 825530011 is 110035528.

It is a happy number.

825530011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825530011 - 2¹ = 825530009 is a prime.

Together with 825530009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (825530311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412765005 + 412765006.

It is an arithmetic number, because the mean of its divisors is an integer number (412765006).

Almost surely, 2^825530011 is an apocalyptic number.

825530011 is a deficient number, since it is larger than the sum of its proper divisors (1).

825530011 is an equidigital number, since it uses as much as digits as its factorization.

825530011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 825530011 is about 28732.0380585854. The cubic root of 825530011 is about 938.0895296755.

Adding to 825530011 its reverse (110035528), we get a palindrome (935565539).

The spelling of 825530011 in words is "eight hundred twenty-five million, five hundred thirty thousand, eleven".