542195369 has 2 divisors, whose sum is σ = 542195370. Its totient is φ = 542195368.

The previous prime is 542195359. The next prime is 542195383. The reversal of 542195369 is 963591245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434305600 + 107889769 = 20840^2 + 10387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542195369 is a prime.

It is a super-2 number, since 2×542195369² = 587951636330092322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542195359) 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, 271097684 + 271097685.

It is an arithmetic number, because the mean of its divisors is an integer number (271097685).

Almost surely, 2^542195369 is an apocalyptic number.

It is an amenable number.

542195369 is a deficient number, since it is larger than the sum of its proper divisors (1).

542195369 is an equidigital number, since it uses as much as digits as its factorization.

542195369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 44.

The square root of 542195369 is about 23285.0889841546. The cubic root of 542195369 is about 815.4273388384.

The spelling of 542195369 in words is "five hundred forty-two million, one hundred ninety-five thousand, three hundred sixty-nine".