526512361 has 2 divisors, whose sum is σ = 526512362. Its totient is φ = 526512360.

The previous prime is 526512359. The next prime is 526512367. The reversal of 526512361 is 163215625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459845136 + 66667225 = 21444^2 + 8165^2 .

It is a cyclic number.

It is not a de Polignac number, because 526512361 - 2¹ = 526512359 is a prime.

Together with 526512359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (526512367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263256180 + 263256181.

It is an arithmetic number, because the mean of its divisors is an integer number (263256181).

Almost surely, 2^526512361 is an apocalyptic number.

It is an amenable number.

526512361 is a deficient number, since it is larger than the sum of its proper divisors (1).

526512361 is an equidigital number, since it uses as much as digits as its factorization.

526512361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 526512361 is about 22945.8571642029. The cubic root of 526512361 is about 807.4882110315.

Adding to 526512361 its reverse (163215625), we get a palindrome (689727986).

The spelling of 526512361 in words is "five hundred twenty-six million, five hundred twelve thousand, three hundred sixty-one".