542620 has 24 divisors (see below), whose sum is σ = 1227744. Its totient is φ = 200256.

The previous prime is 542603. The next prime is 542683. The reversal of 542620 is 26245.

542620 = T₁₇₅ + T₁₇₆ + ... + T₂₀₄.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (51156).

2⁵⁴²⁶²⁰ is an apocalyptic number.

It is an amenable number.

542620 is an abundant number, since it is smaller than the sum of its proper divisors (685124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542620 is a wasteful number, since it uses less digits than its factorization.

542620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 542620 is about 736.6274499365. The cubic root of 542620 is about 81.5640155960.

Adding to 542620 its reverse (26245), we get a palindrome (568865).

The spelling of 542620 in words is "five hundred forty-two thousand, six hundred twenty".