542262523 has 4 divisors (see below), whose sum is σ = 591559128. Its totient is φ = 492965920.

The previous prime is 542262521. The next prime is 542262601. The reversal of 542262523 is 325262245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542262523 - 2¹ = 542262521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542262521) 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 in 3 ways as a sum of consecutive naturals, for example, 24648286 + ... + 24648307.

It is an arithmetic number, because the mean of its divisors is an integer number (147889782).

Almost surely, 2^542262523 is an apocalyptic number.

542262523 is a deficient number, since it is larger than the sum of its proper divisors (49296605).

542262523 is a wasteful number, since it uses less digits than its factorization.

542262523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49296604.

The product of its digits is 28800, while the sum is 31.

The square root of 542262523 is about 23286.5309352853. The cubic root of 542262523 is about 815.4610025631.

The spelling of 542262523 in words is "five hundred forty-two million, two hundred sixty-two thousand, five hundred twenty-three".