540070709 has 2 divisors, whose sum is σ = 540070710. Its totient is φ = 540070708.

The previous prime is 540070667. The next prime is 540070721. The reversal of 540070709 is 907070045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300502225 + 239568484 = 17335^2 + 15478^2 .

It is a cyclic number.

It is not a de Polignac number, because 540070709 - 2¹⁶ = 540005173 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 (540070009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270035354 + 270035355.

It is an arithmetic number, because the mean of its divisors is an integer number (270035355).

Almost surely, 2^540070709 is an apocalyptic number.

It is an amenable number.

540070709 is a deficient number, since it is larger than the sum of its proper divisors (1).

540070709 is an equidigital number, since it uses as much as digits as its factorization.

540070709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 540070709 is about 23239.4214428845. The cubic root of 540070709 is about 814.3608267152.

The spelling of 540070709 in words is "five hundred forty million, seventy thousand, seven hundred nine".