525244342013 has 2 divisors, whose sum is σ = 525244342014. Its totient is φ = 525244342012.

The previous prime is 525244342009. The next prime is 525244342019. The reversal of 525244342013 is 310243442525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524549650564 + 694691449 = 724258^2 + 26357^2 .

It is a cyclic number.

It is not a de Polignac number, because 525244342013 - 2² = 525244342009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525244342019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262622171006 + 262622171007.

It is an arithmetic number, because the mean of its divisors is an integer number (262622171007).

Almost surely, 2^525244342013 is an apocalyptic number.

It is an amenable number.

525244342013 is a deficient number, since it is larger than the sum of its proper divisors (1).

525244342013 is an equidigital number, since it uses as much as digits as its factorization.

525244342013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 525244342013 its reverse (310243442525), we get a palindrome (835487784538).

The spelling of 525244342013 in words is "five hundred twenty-five billion, two hundred forty-four million, three hundred forty-two thousand, thirteen".