425532340381 has 2 divisors, whose sum is σ = 425532340382. Its totient is φ = 425532340380.

The previous prime is 425532340301. The next prime is 425532340447. The reversal of 425532340381 is 183043235524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411952167225 + 13580173156 = 641835^2 + 116534^2 .

It is a cyclic number.

It is not a de Polignac number, because 425532340381 - 2¹⁹ = 425531816093 is a prime.

It is a super-2 number, since 2×425532340381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425532340301) 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, 212766170190 + 212766170191.

It is an arithmetic number, because the mean of its divisors is an integer number (212766170191).

Almost surely, 2^425532340381 is an apocalyptic number.

It is an amenable number.

425532340381 is a deficient number, since it is larger than the sum of its proper divisors (1).

425532340381 is an equidigital number, since it uses as much as digits as its factorization.

425532340381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 425532340381 in words is "four hundred twenty-five billion, five hundred thirty-two million, three hundred forty thousand, three hundred eighty-one".