557249 has 8 divisors (see below), whose sum is σ = 694848. Its totient is φ = 434160.

The previous prime is 557201. The next prime is 557261. The reversal of 557249 is 942755.

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 557249 - 2¹² = 553153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (86856).

2⁵⁵⁷²⁴⁹ is an apocalyptic number.

It is an amenable number.

557249 is a deficient number, since it is larger than the sum of its proper divisors (137599).

557249 is a wasteful number, since it uses less digits than its factorization.

557249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255.

The product of its digits is 12600, while the sum is 32.

The square root of 557249 is about 746.4911251984. The cubic root of 557249 is about 82.2905122806.

The spelling of 557249 in words is "five hundred fifty-seven thousand, two hundred forty-nine".