532286455781 has 2 divisors, whose sum is σ = 532286455782. Its totient is φ = 532286455780.

The previous prime is 532286455777. The next prime is 532286455783. The reversal of 532286455781 is 187554682235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345498259681 + 186788196100 = 587791^2 + 432190^2 .

It is a cyclic number.

It is not a de Polignac number, because 532286455781 - 2² = 532286455777 is a prime.

It is a super-2 number, since 2×532286455781² (a number of 24 digits) contains 22 as substring.

Together with 532286455783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532286455783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266143227890 + 266143227891.

It is an arithmetic number, because the mean of its divisors is an integer number (266143227891).

Almost surely, 2^532286455781 is an apocalyptic number.

It is an amenable number.

532286455781 is a deficient number, since it is larger than the sum of its proper divisors (1).

532286455781 is an equidigital number, since it uses as much as digits as its factorization.

532286455781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128000, while the sum is 56.

The spelling of 532286455781 in words is "five hundred thirty-two billion, two hundred eighty-six million, four hundred fifty-five thousand, seven hundred eighty-one".