525349510243 has 2 divisors, whose sum is σ = 525349510244. Its totient is φ = 525349510242.

The previous prime is 525349510223. The next prime is 525349510277. The reversal of 525349510243 is 342015943525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525349510243 - 2²⁵ = 525315955811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525349510243.

It is not a weakly prime, because it can be changed into another prime (525349510223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262674755121 + 262674755122.

It is an arithmetic number, because the mean of its divisors is an integer number (262674755122).

Almost surely, 2^525349510243 is an apocalyptic number.

525349510243 is a deficient number, since it is larger than the sum of its proper divisors (1).

525349510243 is an equidigital number, since it uses as much as digits as its factorization.

525349510243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 525349510243 in words is "five hundred twenty-five billion, three hundred forty-nine million, five hundred ten thousand, two hundred forty-three".