555025 has 9 divisors (see below), whose sum is σ = 692881. Its totient is φ = 441040.
The previous prime is 554977. The next prime is 555029. The reversal of 555025 is 520555.
The square root of 555025 is 745.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 389376 = 407^2 + 624^2 .
It is a de Polignac number, because none of the positive numbers 2k-555025 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 554987 and 555005.
It is not an unprimeable number, because it can be changed into a prime (555029) 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 8 ways as a sum of consecutive naturals, for example, 3651 + ... + 3799.
2555025 is an apocalyptic number.
555025 is the 745-th square number.
555025 is the 373-rd centered octagonal number.
It is an amenable number.
555025 is a deficient number, since it is larger than the sum of its proper divisors (137856).
555025 is an equidigital number, since it uses as much as digits as its factorization.
555025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308 (or 154 counting only the distinct ones).
The product of its (nonzero) digits is 1250, while the sum is 22.
The cubic root of 555025 is about 82.1808915590.
The spelling of 555025 in words is "five hundred fifty-five thousand, twenty-five".
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