542666315 has 32 divisors (see below), whose sum is σ = 714854400. Its totient is φ = 393932160.

The previous prime is 542666303. The next prime is 542666317. The reversal of 542666315 is 513666245.

It is a happy number.

It is not a de Polignac number, because 542666315 - 2¹⁴ = 542649931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542666317) 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 31 ways as a sum of consecutive naturals, for example, 302441 + ... + 304229.

It is an arithmetic number, because the mean of its divisors is an integer number (22339200).

Almost surely, 2^542666315 is an apocalyptic number.

542666315 is a deficient number, since it is larger than the sum of its proper divisors (172188085).

542666315 is a wasteful number, since it uses less digits than its factorization.

542666315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947.

The product of its digits is 129600, while the sum is 38.

The square root of 542666315 is about 23295.1993981593. The cubic root of 542666315 is about 815.6633614562.

The spelling of 542666315 in words is "five hundred forty-two million, six hundred sixty-six thousand, three hundred fifteen".