525476256984247 has 2 divisors, whose sum is σ = 525476256984248. Its totient is φ = 525476256984246.

The previous prime is 525476256984233. The next prime is 525476256984251. The reversal of 525476256984247 is 742489652674525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525476256984247 is a prime.

It is a super-2 number, since 2×525476256984247² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525476256984257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262738128492123 + 262738128492124.

It is an arithmetic number, because the mean of its divisors is an integer number (262738128492124).

Almost surely, 2^{525476256984247} is an apocalyptic number.

525476256984247 is a deficient number, since it is larger than the sum of its proper divisors (1).

525476256984247 is an equidigital number, since it uses as much as digits as its factorization.

525476256984247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512000, while the sum is 76.

The spelling of 525476256984247 in words is "five hundred twenty-five trillion, four hundred seventy-six billion, two hundred fifty-six million, nine hundred eighty-four thousand, two hundred forty-seven".