542141251 has 2 divisors, whose sum is σ = 542141252. Its totient is φ = 542141250.

The previous prime is 542141239. The next prime is 542141261. The reversal of 542141251 is 152141245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542141251 - 2⁵ = 542141219 is a prime.

It is not a weakly prime, because it can be changed into another prime (542141261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271070625 + 271070626.

It is an arithmetic number, because the mean of its divisors is an integer number (271070626).

Almost surely, 2^542141251 is an apocalyptic number.

542141251 is a deficient number, since it is larger than the sum of its proper divisors (1).

542141251 is an equidigital number, since it uses as much as digits as its factorization.

542141251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 542141251 is about 23283.9268810053. The cubic root of 542141251 is about 815.4002079261.

Adding to 542141251 its reverse (152141245), we get a palindrome (694282496).

The spelling of 542141251 in words is "five hundred forty-two million, one hundred forty-one thousand, two hundred fifty-one".