542451303 has 8 divisors (see below), whose sum is σ = 803631600. Its totient is φ = 361634184.

The previous prime is 542451277. The next prime is 542451313. The reversal of 542451303 is 303154245.

It is not a de Polignac number, because 542451303 - 2¹⁸ = 542189159 is a prime.

It is a super-2 number, since 2×542451303² = 588506832252795618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20090789 = 542451303 / (5 + 4 + 2 + 4 + 5 + 1 + 3 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542451313) 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 7 ways as a sum of consecutive naturals, for example, 10045368 + ... + 10045421.

It is an arithmetic number, because the mean of its divisors is an integer number (100453950).

Almost surely, 2^542451303 is an apocalyptic number.

542451303 is a deficient number, since it is larger than the sum of its proper divisors (261180297).

542451303 is a wasteful number, since it uses less digits than its factorization.

542451303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090798 (or 20090792 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 542451303 is about 23290.5839986893. The cubic root of 542451303 is about 815.5556214735. Note that the first 3 decimals are identical.

The spelling of 542451303 in words is "five hundred forty-two million, four hundred fifty-one thousand, three hundred three".