540622697 has 2 divisors, whose sum is σ = 540622698. Its totient is φ = 540622696.

The previous prime is 540622681. The next prime is 540622769. The reversal of 540622697 is 796226045.

540622697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (540622769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299255401 + 241367296 = 17299^2 + 15536^2 .

It is a cyclic number.

It is not a de Polignac number, because 540622697 - 2⁴ = 540622681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540622657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270311348 + 270311349.

It is an arithmetic number, because the mean of its divisors is an integer number (270311349).

Almost surely, 2^540622697 is an apocalyptic number.

It is an amenable number.

540622697 is a deficient number, since it is larger than the sum of its proper divisors (1).

540622697 is an equidigital number, since it uses as much as digits as its factorization.

540622697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 540622697 is about 23251.2945231013. The cubic root of 540622697 is about 814.6381757968.

The spelling of 540622697 in words is "five hundred forty million, six hundred twenty-two thousand, six hundred ninety-seven".