542102213 has 2 divisors, whose sum is σ = 542102214. Its totient is φ = 542102212.

The previous prime is 542102189. The next prime is 542102219. The reversal of 542102213 is 312201245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426711649 + 115390564 = 20657^2 + 10742^2 .

It is a cyclic number.

It is not a de Polignac number, because 542102213 - 2⁶ = 542102149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542102219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271051106 + 271051107.

It is an arithmetic number, because the mean of its divisors is an integer number (271051107).

Almost surely, 2^542102213 is an apocalyptic number.

It is an amenable number.

542102213 is a deficient number, since it is larger than the sum of its proper divisors (1).

542102213 is an equidigital number, since it uses as much as digits as its factorization.

542102213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 542102213 is about 23283.0885623020. The cubic root of 542102213 is about 815.3806359312.

Adding to 542102213 its reverse (312201245), we get a palindrome (854303458).

The spelling of 542102213 in words is "five hundred forty-two million, one hundred two thousand, two hundred thirteen".