540521071 has 2 divisors, whose sum is σ = 540521072. Its totient is φ = 540521070.

The previous prime is 540521029. The next prime is 540521077. The reversal of 540521071 is 170125045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540521071 - 2⁷ = 540520943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540521077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270260535 + 270260536.

It is an arithmetic number, because the mean of its divisors is an integer number (270260536).

Almost surely, 2^540521071 is an apocalyptic number.

540521071 is a deficient number, since it is larger than the sum of its proper divisors (1).

540521071 is an equidigital number, since it uses as much as digits as its factorization.

540521071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 540521071 is about 23249.1090366921. The cubic root of 540521071 is about 814.5871274978.

The spelling of 540521071 in words is "five hundred forty million, five hundred twenty-one thousand, seventy-one".