540452326397 has 2 divisors, whose sum is σ = 540452326398. Its totient is φ = 540452326396.

The previous prime is 540452326373. The next prime is 540452326459. The reversal of 540452326397 is 793623254045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540417587161 + 34739236 = 735131^2 + 5894^2 .

It is a cyclic number.

It is not a de Polignac number, because 540452326397 - 2⁶ = 540452326333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540452326367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270226163198 + 270226163199.

It is an arithmetic number, because the mean of its divisors is an integer number (270226163199).

Almost surely, 2^540452326397 is an apocalyptic number.

It is an amenable number.

540452326397 is a deficient number, since it is larger than the sum of its proper divisors (1).

540452326397 is an equidigital number, since it uses as much as digits as its factorization.

540452326397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 540452326397 in words is "five hundred forty billion, four hundred fifty-two million, three hundred twenty-six thousand, three hundred ninety-seven".