540670807 has 2 divisors, whose sum is σ = 540670808. Its totient is φ = 540670806.

The previous prime is 540670799. The next prime is 540670829. The reversal of 540670807 is 708076045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540670807 - 2³ = 540670799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540674807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270335403 + 270335404.

It is an arithmetic number, because the mean of its divisors is an integer number (270335404).

Almost surely, 2^540670807 is an apocalyptic number.

540670807 is a deficient number, since it is larger than the sum of its proper divisors (1).

540670807 is an equidigital number, since it uses as much as digits as its factorization.

540670807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 540670807 is about 23252.3290661387. The cubic root of 540670807 is about 814.6623399569.

The spelling of 540670807 in words is "five hundred forty million, six hundred seventy thousand, eight hundred seven".