542481453 has 12 divisors (see below), whose sum is σ = 810604860. Its totient is φ = 349183296.

The previous prime is 542481451. The next prime is 542481491. The reversal of 542481453 is 354184245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152102889 + 390378564 = 12333^2 + 19758^2 .

It is not a de Polignac number, because 542481453 - 2¹ = 542481451 is a prime.

It is a super-2 number, since 2×542481453² = 588572253697982418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542481451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038976 + ... + 1039497.

It is an arithmetic number, because the mean of its divisors is an integer number (67550405).

Almost surely, 2^542481453 is an apocalyptic number.

It is an amenable number.

542481453 is a deficient number, since it is larger than the sum of its proper divisors (268123407).

542481453 is a wasteful number, since it uses less digits than its factorization.

542481453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078508 (or 2078505 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 542481453 is about 23291.2312469736. The cubic root of 542481453 is about 815.5707309997.

The spelling of 542481453 in words is "five hundred forty-two million, four hundred eighty-one thousand, four hundred fifty-three".