539440541 has 2 divisors, whose sum is σ = 539440542. Its totient is φ = 539440540.

The previous prime is 539440529. The next prime is 539440589. The reversal of 539440541 is 145044935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359102500 + 180338041 = 18950^2 + 13429^2 .

It is a cyclic number.

It is not a de Polignac number, because 539440541 - 2²² = 535246237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539440511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269720270 + 269720271.

It is an arithmetic number, because the mean of its divisors is an integer number (269720271).

Almost surely, 2^539440541 is an apocalyptic number.

It is an amenable number.

539440541 is a deficient number, since it is larger than the sum of its proper divisors (1).

539440541 is an equidigital number, since it uses as much as digits as its factorization.

539440541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 539440541 is about 23225.8593167185. The cubic root of 539440541 is about 814.0439645877.

The spelling of 539440541 in words is "five hundred thirty-nine million, four hundred forty thousand, five hundred forty-one".