542405203 has 2 divisors, whose sum is σ = 542405204. Its totient is φ = 542405202.

The previous prime is 542405197. The next prime is 542405219. The reversal of 542405203 is 302504245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542405203 is a prime.

It is not a weakly prime, because it can be changed into another prime (542805203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271202601 + 271202602.

It is an arithmetic number, because the mean of its divisors is an integer number (271202602).

Almost surely, 2^542405203 is an apocalyptic number.

542405203 is a deficient number, since it is larger than the sum of its proper divisors (1).

542405203 is an equidigital number, since it uses as much as digits as its factorization.

542405203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 542405203 is about 23289.5943073296. The cubic root of 542405203 is about 815.5325175998.

Adding to 542405203 its reverse (302504245), we get a palindrome (844909448).

The spelling of 542405203 in words is "five hundred forty-two million, four hundred five thousand, two hundred three".