540270623 has 2 divisors, whose sum is σ = 540270624. Its totient is φ = 540270622.

The previous prime is 540270617. The next prime is 540270631. The reversal of 540270623 is 326072045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540270623 - 2¹⁰ = 540269599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540270613) 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, 270135311 + 270135312.

It is an arithmetic number, because the mean of its divisors is an integer number (270135312).

Almost surely, 2^540270623 is an apocalyptic number.

540270623 is a deficient number, since it is larger than the sum of its proper divisors (1).

540270623 is an equidigital number, since it uses as much as digits as its factorization.

540270623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 540270623 is about 23243.7222277328. The cubic root of 540270623 is about 814.4612963043.

The spelling of 540270623 in words is "five hundred forty million, two hundred seventy thousand, six hundred twenty-three".