542833521 has 8 divisors (see below), whose sum is σ = 728219040. Its totient is φ = 359668512.

The previous prime is 542833519. The next prime is 542833523. The reversal of 542833521 is 125338245.

It is an interprime number because it is at equal distance from previous prime (542833519) and next prime (542833523).

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

It is not a de Polignac number, because 542833521 - 2¹ = 542833519 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (542833523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554556 + ... + 555533.

It is an arithmetic number, because the mean of its divisors is an integer number (91027380).

Almost surely, 2^542833521 is an apocalyptic number.

It is an amenable number.

542833521 is a deficient number, since it is larger than the sum of its proper divisors (185385519).

542833521 is a wasteful number, since it uses less digits than its factorization.

542833521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110255.

The product of its digits is 28800, while the sum is 33.

The square root of 542833521 is about 23298.7879727680. The cubic root of 542833521 is about 815.7471267457.

The spelling of 542833521 in words is "five hundred forty-two million, eight hundred thirty-three thousand, five hundred twenty-one".