526345013 has 2 divisors, whose sum is σ = 526345014. Its totient is φ = 526345012.

The previous prime is 526344997. The next prime is 526345051. The reversal of 526345013 is 310543625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391367089 + 134977924 = 19783^2 + 11618^2 .

It is a cyclic number.

It is not a de Polignac number, because 526345013 - 2⁴ = 526344997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526345613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263172506 + 263172507.

It is an arithmetic number, because the mean of its divisors is an integer number (263172507).

Almost surely, 2^526345013 is an apocalyptic number.

It is an amenable number.

526345013 is a deficient number, since it is larger than the sum of its proper divisors (1).

526345013 is an equidigital number, since it uses as much as digits as its factorization.

526345013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 526345013 is about 22942.2102902053. The cubic root of 526345013 is about 807.4026506114.

Adding to 526345013 its reverse (310543625), we get a palindrome (836888638).

The spelling of 526345013 in words is "five hundred twenty-six million, three hundred forty-five thousand, thirteen".