540453523 has 2 divisors, whose sum is σ = 540453524. Its totient is φ = 540453522.

The previous prime is 540453497. The next prime is 540453533. The reversal of 540453523 is 325354045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540453523 - 2¹³ = 540445331 is a prime.

It is a super-2 number, since 2×540453523² = 584180021046223058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540453533) 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, 270226761 + 270226762.

It is an arithmetic number, because the mean of its divisors is an integer number (270226762).

Almost surely, 2^540453523 is an apocalyptic number.

540453523 is a deficient number, since it is larger than the sum of its proper divisors (1).

540453523 is an equidigital number, since it uses as much as digits as its factorization.

540453523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 540453523 is about 23247.6562904737. The cubic root of 540453523 is about 814.5531935610.

The spelling of 540453523 in words is "five hundred forty million, four hundred fifty-three thousand, five hundred twenty-three".