540786523 has 2 divisors, whose sum is σ = 540786524. Its totient is φ = 540786522.

The previous prime is 540786479. The next prime is 540786527. The reversal of 540786523 is 325687045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540786523 - 2¹³ = 540778331 is a prime.

It is not a weakly prime, because it can be changed into another prime (540786527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270393261 + 270393262.

It is an arithmetic number, because the mean of its divisors is an integer number (270393262).

Almost surely, 2^540786523 is an apocalyptic number.

540786523 is a deficient number, since it is larger than the sum of its proper divisors (1).

540786523 is an equidigital number, since it uses as much as digits as its factorization.

540786523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 540786523 is about 23254.8171998836. The cubic root of 540786523 is about 814.7204546430.

The spelling of 540786523 in words is "five hundred forty million, seven hundred eighty-six thousand, five hundred twenty-three".