542351 has 8 divisors (see below), whose sum is σ = 584784. Its totient is φ = 501120.

The previous prime is 542323. The next prime is 542371. The reversal of 542351 is 153245.

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 542351 - 2¹⁸ = 280207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542371) 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, 776 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (73098).

2⁵⁴²³⁵¹ is an apocalyptic number.

542351 is a deficient number, since it is larger than the sum of its proper divisors (42433).

542351 is a wasteful number, since it uses less digits than its factorization.

542351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its digits is 600, while the sum is 20.

The square root of 542351 is about 736.4448383959. Note that the first 3 decimals coincide. The cubic root of 542351 is about 81.5505351082.

Adding to 542351 its reverse (153245), we get a palindrome (695596).

The spelling of 542351 in words is "five hundred forty-two thousand, three hundred fifty-one".