542260243 has 8 divisors (see below), whose sum is σ = 619894880. Its totient is φ = 464667840.

The previous prime is 542260231. The next prime is 542260249. The reversal of 542260243 is 342062245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542260243 - 2⁵ = 542260211 is a prime.

It is a super-2 number, since 2×542260243² = 588092342276838098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542260249) 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 7 ways as a sum of consecutive naturals, for example, 24913 + ... + 41293.

It is an arithmetic number, because the mean of its divisors is an integer number (77486860).

Almost surely, 2^542260243 is an apocalyptic number.

542260243 is a deficient number, since it is larger than the sum of its proper divisors (77634637).

542260243 is a wasteful number, since it uses less digits than its factorization.

542260243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 542260243 is about 23286.4819798955. The cubic root of 542260243 is about 815.4598596642.

The spelling of 542260243 in words is "five hundred forty-two million, two hundred sixty thousand, two hundred forty-three".