542414251 has 2 divisors, whose sum is σ = 542414252. Its totient is φ = 542414250.

The previous prime is 542414233. The next prime is 542414281. The reversal of 542414251 is 152414245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542414251 - 2⁵ = 542414219 is a prime.

It is not a weakly prime, because it can be changed into another prime (542414281) 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, 271207125 + 271207126.

It is an arithmetic number, because the mean of its divisors is an integer number (271207126).

Almost surely, 2^542414251 is an apocalyptic number.

542414251 is a deficient number, since it is larger than the sum of its proper divisors (1).

542414251 is an equidigital number, since it uses as much as digits as its factorization.

542414251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 28.

The square root of 542414251 is about 23289.7885563609. The cubic root of 542414251 is about 815.5370522768.

Adding to 542414251 its reverse (152414245), we get a palindrome (694828496).

The spelling of 542414251 in words is "five hundred forty-two million, four hundred fourteen thousand, two hundred fifty-one".