540670523 has 2 divisors, whose sum is σ = 540670524. Its totient is φ = 540670522.

The previous prime is 540670447. The next prime is 540670561. The reversal of 540670523 is 325076045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540670523 - 2²⁰ = 539621947 is a prime.

It is a super-2 number, since 2×540670523² = 584649228882187058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540670523.

It is not a weakly prime, because it can be changed into another prime (540670573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270335261 + 270335262.

It is an arithmetic number, because the mean of its divisors is an integer number (270335262).

Almost surely, 2^540670523 is an apocalyptic number.

540670523 is a deficient number, since it is larger than the sum of its proper divisors (1).

540670523 is an equidigital number, since it uses as much as digits as its factorization.

540670523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 540670523 is about 23252.3229592228. The cubic root of 540670523 is about 814.6621973167.

The spelling of 540670523 in words is "five hundred forty million, six hundred seventy thousand, five hundred twenty-three".