526243612201 has 2 divisors, whose sum is σ = 526243612202. Its totient is φ = 526243612200.

The previous prime is 526243612189. The next prime is 526243612267. The reversal of 526243612201 is 102216342625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465429586176 + 60814026025 = 682224^2 + 246605^2 .

It is a cyclic number.

It is not a de Polignac number, because 526243612201 - 2⁷ = 526243612073 is a prime.

It is a super-5 number, since 5×526243612201⁵ (a number of 60 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (526243619201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263121806100 + 263121806101.

It is an arithmetic number, because the mean of its divisors is an integer number (263121806101).

Almost surely, 2^526243612201 is an apocalyptic number.

It is an amenable number.

526243612201 is a deficient number, since it is larger than the sum of its proper divisors (1).

526243612201 is an equidigital number, since it uses as much as digits as its factorization.

526243612201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 526243612201 its reverse (102216342625), we get a palindrome (628459954826).

The spelling of 526243612201 in words is "five hundred twenty-six billion, two hundred forty-three million, six hundred twelve thousand, two hundred one".