545982641 has 2 divisors, whose sum is σ = 545982642. Its totient is φ = 545982640.

The previous prime is 545982607. The next prime is 545982643. The reversal of 545982641 is 146289545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529000000 + 16982641 = 23000^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 545982641 - 2²² = 541788337 is a prime.

Together with 545982643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 545982592 and 545982601.

It is not a weakly prime, because it can be changed into another prime (545982643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272991320 + 272991321.

It is an arithmetic number, because the mean of its divisors is an integer number (272991321).

Almost surely, 2^545982641 is an apocalyptic number.

It is an amenable number.

545982641 is a deficient number, since it is larger than the sum of its proper divisors (1).

545982641 is an equidigital number, since it uses as much as digits as its factorization.

545982641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 545982641 is about 23366.2714398340. The cubic root of 545982641 is about 817.3215406605.

The spelling of 545982641 in words is "five hundred forty-five million, nine hundred eighty-two thousand, six hundred forty-one".