525252799999 has 2 divisors, whose sum is σ = 525252800000. Its totient is φ = 525252799998.

The previous prime is 525252799997. The next prime is 525252800063. The reversal of 525252799999 is 999997252525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525252799999 - 2¹ = 525252799997 is a prime.

Together with 525252799997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525252799997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262626399999 + 262626400000.

It is an arithmetic number, because the mean of its divisors is an integer number (262626400000).

Almost surely, 2^525252799999 is an apocalyptic number.

525252799999 is a deficient number, since it is larger than the sum of its proper divisors (1).

525252799999 is an equidigital number, since it uses as much as digits as its factorization.

525252799999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 413343000, while the sum is 73.

The spelling of 525252799999 in words is "five hundred twenty-five billion, two hundred fifty-two million, seven hundred ninety-nine thousand, nine hundred ninety-nine".