525428320867 has 2 divisors, whose sum is σ = 525428320868. Its totient is φ = 525428320866.

The previous prime is 525428320849. The next prime is 525428320909. The reversal of 525428320867 is 768023824525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525428320867 is a prime.

It is not a weakly prime, because it can be changed into another prime (525428327867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262714160433 + 262714160434.

It is an arithmetic number, because the mean of its divisors is an integer number (262714160434).

Almost surely, 2^525428320867 is an apocalyptic number.

525428320867 is a deficient number, since it is larger than the sum of its proper divisors (1).

525428320867 is an equidigital number, since it uses as much as digits as its factorization.

525428320867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 525428320867 in words is "five hundred twenty-five billion, four hundred twenty-eight million, three hundred twenty thousand, eight hundred sixty-seven".