542023763 has 4 divisors (see below), whose sum is σ = 544592808. Its totient is φ = 539454720.

The previous prime is 542023753. The next prime is 542023777. The reversal of 542023763 is 367320245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367320245 = 5 ⋅73464049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542023763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542023753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284206 + ... + 1284627.

It is an arithmetic number, because the mean of its divisors is an integer number (136148202).

Almost surely, 2^542023763 is an apocalyptic number.

542023763 is a deficient number, since it is larger than the sum of its proper divisors (2569045).

542023763 is a wasteful number, since it uses less digits than its factorization.

542023763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569044.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 542023763 is about 23281.4038021765. The cubic root of 542023763 is about 815.3413015921.

The spelling of 542023763 in words is "five hundred forty-two million, twenty-three thousand, seven hundred sixty-three".