548340451 has 4 divisors (see below), whose sum is σ = 549967912. Its totient is φ = 546712992.

The previous prime is 548340427. The next prime is 548340479. The reversal of 548340451 is 154043845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 548340451 - 2¹¹ = 548338403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548340421) 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 in 3 ways as a sum of consecutive naturals, for example, 813225 + ... + 813898.

It is an arithmetic number, because the mean of its divisors is an integer number (137491978).

Almost surely, 2^548340451 is an apocalyptic number.

548340451 is a deficient number, since it is larger than the sum of its proper divisors (1627461).

548340451 is a wasteful number, since it uses less digits than its factorization.

548340451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627460.

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

The square root of 548340451 is about 23416.6703653615. The cubic root of 548340451 is about 818.4963774702.

The spelling of 548340451 in words is "five hundred forty-eight million, three hundred forty thousand, four hundred fifty-one".