542238451 has 2 divisors, whose sum is σ = 542238452. Its totient is φ = 542238450.

The previous prime is 542238449. The next prime is 542238457. The reversal of 542238451 is 154832245.

542238451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542238451 - 2¹ = 542238449 is a prime.

Together with 542238449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (542238457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271119225 + 271119226.

It is an arithmetic number, because the mean of its divisors is an integer number (271119226).

Almost surely, 2^542238451 is an apocalyptic number.

542238451 is a deficient number, since it is larger than the sum of its proper divisors (1).

542238451 is an equidigital number, since it uses as much as digits as its factorization.

542238451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 542238451 is about 23286.0140642404. The cubic root of 542238451 is about 815.4489357954.

The spelling of 542238451 in words is "five hundred forty-two million, two hundred thirty-eight thousand, four hundred fifty-one".