542468 has 6 divisors (see below), whose sum is σ = 949326. Its totient is φ = 271232.

The previous prime is 542467. The next prime is 542483. The reversal of 542468 is 864245.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 135424 = 638^2 + 368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 542468.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542468.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67805 + ... + 67812.

It is an arithmetic number, because the mean of its divisors is an integer number (158221).

2⁵⁴²⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

542468 is a deficient number, since it is larger than the sum of its proper divisors (406858).

542468 is a wasteful number, since it uses less digits than its factorization.

542468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135621 (or 135619 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 542468 is about 736.5242697970. The cubic root of 542468 is about 81.5563989163.

The spelling of 542468 in words is "five hundred forty-two thousand, four hundred sixty-eight".