542466 has 12 divisors (see below), whose sum is σ = 1175382. Its totient is φ = 180816.

The previous prime is 542461. The next prime is 542467. The reversal of 542466 is 664245.

It is a happy number.

542466 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 531441 + 11025 = 729^2 + 105^2 .

It is a super-2 number, since 2×542466² = 588538722312, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542466.

It is not an unprimeable number, because it can be changed into a prime (542461) by changing a digit.

542466 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 5 ways as a sum of consecutive naturals, for example, 15051 + ... + 15086.

2⁵⁴²⁴⁶⁶ is an apocalyptic number.

542466 is an abundant number, since it is smaller than the sum of its proper divisors (632916).

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

542466 is a wasteful number, since it uses less digits than its factorization.

542466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30145 (or 30142 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 542466 is about 736.5229120672. The cubic root of 542466 is about 81.5562986874.

The spelling of 542466 in words is "five hundred forty-two thousand, four hundred sixty-six".