540361697 has 2 divisors, whose sum is σ = 540361698. Its totient is φ = 540361696.

The previous prime is 540361667. The next prime is 540361699. The reversal of 540361697 is 796163045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309443281 + 230918416 = 17591^2 + 15196^2 .

It is a cyclic number.

It is not a de Polignac number, because 540361697 - 2²² = 536167393 is a prime.

Together with 540361699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540361699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270180848 + 270180849.

It is an arithmetic number, because the mean of its divisors is an integer number (270180849).

Almost surely, 2^540361697 is an apocalyptic number.

It is an amenable number.

540361697 is a deficient number, since it is larger than the sum of its proper divisors (1).

540361697 is an equidigital number, since it uses as much as digits as its factorization.

540361697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 540361697 is about 23245.6812548052. The cubic root of 540361697 is about 814.5070586053.

The spelling of 540361697 in words is "five hundred forty million, three hundred sixty-one thousand, six hundred ninety-seven".