525541013 has 2 divisors, whose sum is σ = 525541014. Its totient is φ = 525541012.

The previous prime is 525540997. The next prime is 525541019. The reversal of 525541013 is 310145525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278956804 + 246584209 = 16702^2 + 15703^2 .

It is a cyclic number.

It is not a de Polignac number, because 525541013 - 2⁴ = 525540997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525541019) 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, 262770506 + 262770507.

It is an arithmetic number, because the mean of its divisors is an integer number (262770507).

Almost surely, 2^525541013 is an apocalyptic number.

It is an amenable number.

525541013 is a deficient number, since it is larger than the sum of its proper divisors (1).

525541013 is an equidigital number, since it uses as much as digits as its factorization.

525541013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 525541013 is about 22924.6813063999. The cubic root of 525541013 is about 806.9913345066.

Adding to 525541013 its reverse (310145525), we get a palindrome (835686538).

The spelling of 525541013 in words is "five hundred twenty-five million, five hundred forty-one thousand, thirteen".