557425 has 12 divisors (see below), whose sum is σ = 754416. Its totient is φ = 405200.

The previous prime is 557423. The next prime is 557443. The reversal of 557425 is 524755.

It is not a de Polignac number, because 557425 - 2¹ = 557423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557393 and 557402.

It is not an unprimeable number, because it can be changed into a prime (557423) 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 11 ways as a sum of consecutive naturals, for example, 739 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (62868).

2⁵⁵⁷⁴²⁵ is an apocalyptic number.

557425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

557425 is a deficient number, since it is larger than the sum of its proper divisors (196991).

557425 is a wasteful number, since it uses less digits than its factorization.

557425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2043 counting only the distinct ones).

The product of its digits is 7000, while the sum is 28.

The square root of 557425 is about 746.6090007494. The cubic root of 557425 is about 82.2991748388.

The spelling of 557425 in words is "five hundred fifty-seven thousand, four hundred twenty-five".