542401003 has 2 divisors, whose sum is σ = 542401004. Its totient is φ = 542401002.

The previous prime is 542400941. The next prime is 542401033. The reversal of 542401003 is 300104245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542401003 - 2²¹ = 540303851 is a prime.

It is not a weakly prime, because it can be changed into another prime (542401033) 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, 271200501 + 271200502.

It is an arithmetic number, because the mean of its divisors is an integer number (271200502).

Almost surely, 2^542401003 is an apocalyptic number.

542401003 is a deficient number, since it is larger than the sum of its proper divisors (1).

542401003 is an equidigital number, since it uses as much as digits as its factorization.

542401003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 542401003 is about 23289.5041381305. The cubic root of 542401003 is about 815.5304126265.

Adding to 542401003 its reverse (300104245), we get a palindrome (842505248).

The spelling of 542401003 in words is "five hundred forty-two million, four hundred one thousand, three".