885256304531 has 2 divisors, whose sum is σ = 885256304532. Its totient is φ = 885256304530.

The previous prime is 885256304461. The next prime is 885256304533. The reversal of 885256304531 is 135403652588.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 885256304531 - 2¹⁰ = 885256303507 is a prime.

It is a super-2 number, since 2×885256304531² (a number of 25 digits) contains 22 as substring.

Together with 885256304533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 885256304531.

It is not a weakly prime, because it can be changed into another prime (885256304533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442628152265 + 442628152266.

It is an arithmetic number, because the mean of its divisors is an integer number (442628152266).

Almost surely, 2^885256304531 is an apocalyptic number.

885256304531 is a deficient number, since it is larger than the sum of its proper divisors (1).

885256304531 is an equidigital number, since it uses as much as digits as its factorization.

885256304531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 885256304531 in words is "eight hundred eighty-five billion, two hundred fifty-six million, three hundred four thousand, five hundred thirty-one".