542203789 has 2 divisors, whose sum is σ = 542203790. Its totient is φ = 542203788.

The previous prime is 542203769. The next prime is 542203811. The reversal of 542203789 is 987302245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326994889 + 215208900 = 18083^2 + 14670^2 .

It is a cyclic number.

It is not a de Polignac number, because 542203789 - 2⁵ = 542203757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542203759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271101894 + 271101895.

It is an arithmetic number, because the mean of its divisors is an integer number (271101895).

Almost surely, 2^542203789 is an apocalyptic number.

It is an amenable number.

542203789 is a deficient number, since it is larger than the sum of its proper divisors (1).

542203789 is an equidigital number, since it uses as much as digits as its factorization.

542203789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 542203789 is about 23285.2697858539. The cubic root of 542203789 is about 815.4315598646.

The spelling of 542203789 in words is "five hundred forty-two million, two hundred three thousand, seven hundred eighty-nine".