542270865 has 16 divisors (see below), whose sum is σ = 880584768. Its totient is φ = 284894016.

The previous prime is 542270857. The next prime is 542270873. The reversal of 542270865 is 568072245.

It is an interprime number because it is at equal distance from previous prime (542270857) and next prime (542270873).

It is not a de Polignac number, because 542270865 - 2³ = 542270857 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 268782 + ... + 270791.

It is an arithmetic number, because the mean of its divisors is an integer number (55036548).

Almost surely, 2^542270865 is an apocalyptic number.

It is an amenable number.

542270865 is a deficient number, since it is larger than the sum of its proper divisors (338313903).

542270865 is a wasteful number, since it uses less digits than its factorization.

542270865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539648.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 542270865 is about 23286.7100510141. The cubic root of 542270865 is about 815.4651841421.

The spelling of 542270865 in words is "five hundred forty-two million, two hundred seventy thousand, eight hundred sixty-five".