• 549913² = 302404307569 is an anagram of the next square 549914² = 302405407396.

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549913 has 8 divisors (see below), whose sum is σ = 676928. Its totient is φ = 435024.

The previous prime is 549911. The next prime is 549937. The reversal of 549913 is 319945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549913 - 2¹ = 549911 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (549911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (84616).

2⁵⁴⁹⁹¹³ is an apocalyptic number.

It is an amenable number.

549913 is a deficient number, since it is larger than the sum of its proper divisors (127015).

549913 is a wasteful number, since it uses less digits than its factorization.

549913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063.

The product of its digits is 4860, while the sum is 31.

The square root of 549913 is about 741.5611910018. The cubic root of 549913 is about 81.9278067747.

The spelling of 549913 in words is "five hundred forty-nine thousand, nine hundred thirteen".