542468651 has 2 divisors, whose sum is σ = 542468652. Its totient is φ = 542468650.

The previous prime is 542468609. The next prime is 542468653. The reversal of 542468651 is 156864245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542468651 - 2¹⁸ = 542206507 is a prime.

It is a Sophie Germain prime.

Together with 542468653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542468599 and 542468608.

It is not a weakly prime, because it can be changed into another prime (542468653) 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, 271234325 + 271234326.

It is an arithmetic number, because the mean of its divisors is an integer number (271234326).

Almost surely, 2^542468651 is an apocalyptic number.

542468651 is a deficient number, since it is larger than the sum of its proper divisors (1).

542468651 is an equidigital number, since it uses as much as digits as its factorization.

542468651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 542468651 is about 23290.9564208944. The cubic root of 542468651 is about 815.5643154079.

The spelling of 542468651 in words is "five hundred forty-two million, four hundred sixty-eight thousand, six hundred fifty-one".