542101249 has 2 divisors, whose sum is σ = 542101250. Its totient is φ = 542101248.

The previous prime is 542101229. The next prime is 542101267. The reversal of 542101249 is 942101245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336465649 + 205635600 = 18343^2 + 14340^2 .

It is a cyclic number.

It is not a de Polignac number, because 542101249 - 2⁹ = 542100737 is a prime.

It is not a weakly prime, because it can be changed into another prime (542101229) 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, 271050624 + 271050625.

It is an arithmetic number, because the mean of its divisors is an integer number (271050625).

Almost surely, 2^542101249 is an apocalyptic number.

It is an amenable number.

542101249 is a deficient number, since it is larger than the sum of its proper divisors (1).

542101249 is an equidigital number, since it uses as much as digits as its factorization.

542101249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 542101249 is about 23283.0678605720. The cubic root of 542101249 is about 815.3801526106.

The spelling of 542101249 in words is "five hundred forty-two million, one hundred one thousand, two hundred forty-nine".