548643451 has 2 divisors, whose sum is σ = 548643452. Its totient is φ = 548643450.

The previous prime is 548643443. The next prime is 548643457. The reversal of 548643451 is 154346845.

It is a happy number.

548643451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 548643451 - 2³ = 548643443 is a prime.

It is not a weakly prime, because it can be changed into another prime (548643457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274321725 + 274321726.

It is an arithmetic number, because the mean of its divisors is an integer number (274321726).

Almost surely, 2^548643451 is an apocalyptic number.

548643451 is a deficient number, since it is larger than the sum of its proper divisors (1).

548643451 is an equidigital number, since it uses as much as digits as its factorization.

548643451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 40.

The square root of 548643451 is about 23423.1392217183. The cubic root of 548643451 is about 818.6471103075.

The spelling of 548643451 in words is "five hundred forty-eight million, six hundred forty-three thousand, four hundred fifty-one".