526205401 has 2 divisors, whose sum is σ = 526205402. Its totient is φ = 526205400.

The previous prime is 526205387. The next prime is 526205411. The reversal of 526205401 is 104502625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435974400 + 90231001 = 20880^2 + 9499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526205401 is a prime.

It is not a weakly prime, because it can be changed into another prime (526205411) 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, 263102700 + 263102701.

It is an arithmetic number, because the mean of its divisors is an integer number (263102701).

Almost surely, 2^526205401 is an apocalyptic number.

It is an amenable number.

526205401 is a deficient number, since it is larger than the sum of its proper divisors (1).

526205401 is an equidigital number, since it uses as much as digits as its factorization.

526205401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 526205401 is about 22939.1673998862. The cubic root of 526205401 is about 807.3312569665.

The spelling of 526205401 in words is "five hundred twenty-six million, two hundred five thousand, four hundred one".