542666125 has 32 divisors (see below), whose sum is σ = 737568000. Its totient is φ = 397051200.

The previous prime is 542666123. The next prime is 542666141. The reversal of 542666125 is 521666245.

It is not a de Polignac number, because 542666125 - 2¹ = 542666123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542666123) 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, 64936 + ... + 72814.

It is an arithmetic number, because the mean of its divisors is an integer number (23049000).

Almost surely, 2^542666125 is an apocalyptic number.

It is an amenable number.

542666125 is a deficient number, since it is larger than the sum of its proper divisors (194901875).

542666125 is a wasteful number, since it uses less digits than its factorization.

542666125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942 (or 7932 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 542666125 is about 23295.1953200655. The cubic root of 542666125 is about 815.6632662620.

The spelling of 542666125 in words is "five hundred forty-two million, six hundred sixty-six thousand, one hundred twenty-five".