540173407 has 2 divisors, whose sum is σ = 540173408. Its totient is φ = 540173406.

The previous prime is 540173393. The next prime is 540173429. The reversal of 540173407 is 704371045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540173407 - 2⁷ = 540173279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540173507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270086703 + 270086704.

It is an arithmetic number, because the mean of its divisors is an integer number (270086704).

Almost surely, 2^540173407 is an apocalyptic number.

540173407 is a deficient number, since it is larger than the sum of its proper divisors (1).

540173407 is an equidigital number, since it uses as much as digits as its factorization.

540173407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 540173407 is about 23241.6309023270. The cubic root of 540173407 is about 814.4124421341.

The spelling of 540173407 in words is "five hundred forty million, one hundred seventy-three thousand, four hundred seven".