542512303 has 2 divisors, whose sum is σ = 542512304. Its totient is φ = 542512302.

The previous prime is 542512291. The next prime is 542512331. The reversal of 542512303 is 303215245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542512303 - 2⁹ = 542511791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542512403) 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 as a sum of consecutive naturals, namely, 271256151 + 271256152.

It is an arithmetic number, because the mean of its divisors is an integer number (271256152).

Almost surely, 2^542512303 is an apocalyptic number.

542512303 is a deficient number, since it is larger than the sum of its proper divisors (1).

542512303 is an equidigital number, since it uses as much as digits as its factorization.

542512303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 542512303 is about 23291.8935039640. The cubic root of 542512303 is about 815.5861907479.

Adding to 542512303 its reverse (303215245), we get a palindrome (845727548).

The spelling of 542512303 in words is "five hundred forty-two million, five hundred twelve thousand, three hundred three".