542801 has 4 divisors (see below), whose sum is σ = 620352. Its totient is φ = 465252.

The previous prime is 542797. The next prime is 542821. The reversal of 542801 is 108245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108245 = 5 ⋅21649.

It is a cyclic number.

It is not a de Polignac number, because 542801 - 2² = 542797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38765 + ... + 38778.

It is an arithmetic number, because the mean of its divisors is an integer number (155088).

2⁵⁴²⁸⁰¹ is an apocalyptic number.

It is an amenable number.

542801 is a deficient number, since it is larger than the sum of its proper divisors (77551).

542801 is an equidigital number, since it uses as much as digits as its factorization.

542801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77550.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 542801 is about 736.7502969121. The cubic root of 542801 is about 81.5730836028.

The spelling of 542801 in words is "five hundred forty-two thousand, eight hundred one".