542501 has 8 divisors (see below), whose sum is σ = 574080. Its totient is φ = 511632.

The previous prime is 542497. The next prime is 542519. The reversal of 542501 is 105245.

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

It is a cyclic number.

It is not a de Polignac number, because 542501 - 2² = 542497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542501.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542501.

It is not an unprimeable number, because it can be changed into a prime (542551) 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, 2255 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (71760).

2⁵⁴²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

542501 is a deficient number, since it is larger than the sum of its proper divisors (31579).

542501 is a wasteful number, since it uses less digits than its factorization.

542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 542501 is about 736.5466719767. The cubic root of 542501 is about 81.5580526585.

Adding to 542501 its reverse (105245), we get a palindrome (647746).

The spelling of 542501 in words is "five hundred forty-two thousand, five hundred one".