542610 has 24 divisors (see below), whose sum is σ = 1411020. Its totient is φ = 144672.

The previous prime is 542603. The next prime is 542683. The reversal of 542610 is 16245.

It is a happy number.

542610 is a `hidden beast` number, since 54 + 2 + 610 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 19881 = 723^2 + 141^2 .

It is a super-2 number, since 2×542610² = 588851224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

542610 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2925 + ... + 3104.

2⁵⁴²⁶¹⁰ is an apocalyptic number.

542610 is an abundant number, since it is smaller than the sum of its proper divisors (868410).

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

542610 is a wasteful number, since it uses less digits than its factorization.

542610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 542610 is about 736.6206622136. The cubic root of 542610 is about 81.5635145424.

Adding to 542610 its reverse (16245), we get a palindrome (558855).

The spelling of 542610 in words is "five hundred forty-two thousand, six hundred ten".