548951 has 4 divisors (see below), whose sum is σ = 591192. Its totient is φ = 506712.

The previous prime is 548927. The next prime is 548953. The reversal of 548951 is 159845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21101 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (147798).

2⁵⁴⁸⁹⁵¹ is an apocalyptic number.

548951 is a deficient number, since it is larger than the sum of its proper divisors (42241).

548951 is a wasteful number, since it uses less digits than its factorization.

548951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42240.

The product of its digits is 7200, while the sum is 32.

The square root of 548951 is about 740.9122755091. The cubic root of 548951 is about 81.8800049385.

The spelling of 548951 in words is "five hundred forty-eight thousand, nine hundred fifty-one".