557313 has 16 divisors (see below), whose sum is σ = 798336. Its totient is φ = 344960.

The previous prime is 557309. The next prime is 557321. The reversal of 557313 is 313755.

It is a cyclic number.

It is not a de Polignac number, because 557313 - 2² = 557309 is a prime.

557313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (557303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2⁵⁵⁷³¹³ is an apocalyptic number.

It is an amenable number.

557313 is a deficient number, since it is larger than the sum of its proper divisors (241023).

557313 is a wasteful number, since it uses less digits than its factorization.

557313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its digits is 1575, while the sum is 24.

The square root of 557313 is about 746.5339911886. The cubic root of 557313 is about 82.2936625128.

The spelling of 557313 in words is "five hundred fifty-seven thousand, three hundred thirteen".