525432013 has 2 divisors, whose sum is σ = 525432014. Its totient is φ = 525432012.

The previous prime is 525431999. The next prime is 525432029. The reversal of 525432013 is 310234525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355963689 + 169468324 = 18867^2 + 13018^2 .

It is a cyclic number.

It is not a de Polignac number, because 525432013 - 2⁵ = 525431981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525432053) 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, 262716006 + 262716007.

It is an arithmetic number, because the mean of its divisors is an integer number (262716007).

Almost surely, 2^525432013 is an apocalyptic number.

It is an amenable number.

525432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

525432013 is an equidigital number, since it uses as much as digits as its factorization.

525432013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 525432013 is about 22922.3038327303. The cubic root of 525432013 is about 806.9355392180.

Adding to 525432013 its reverse (310234525), we get a palindrome (835666538).

The spelling of 525432013 in words is "five hundred twenty-five million, four hundred thirty-two thousand, thirteen".