540573289 has 2 divisors, whose sum is σ = 540573290. Its totient is φ = 540573288.

The previous prime is 540573251. The next prime is 540573317. The reversal of 540573289 is 982375045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369408400 + 171164889 = 19220^2 + 13083^2 .

It is a cyclic number.

It is not a de Polignac number, because 540573289 - 2¹³ = 540565097 is a prime.

It is not a weakly prime, because it can be changed into another prime (540573239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270286644 + 270286645.

It is an arithmetic number, because the mean of its divisors is an integer number (270286645).

Almost surely, 2^540573289 is an apocalyptic number.

It is an amenable number.

540573289 is a deficient number, since it is larger than the sum of its proper divisors (1).

540573289 is an equidigital number, since it uses as much as digits as its factorization.

540573289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 540573289 is about 23250.2320203477. The cubic root of 540573289 is about 814.6133581995.

The spelling of 540573289 in words is "five hundred forty million, five hundred seventy-three thousand, two hundred eighty-nine".