361225 has 6 divisors (see below), whose sum is σ = 447950. Its totient is φ = 288960.
The previous prime is 361223. The next prime is 361237. The reversal of 361225 is 522163.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 110224 + 251001 = 332^2 + 501^2 .
It is not a de Polignac number, because 361225 - 21 = 361223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (361223) 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 5 ways as a sum of consecutive naturals, for example, 7200 + ... + 7249.
2361225 is an apocalyptic number.
It is an amenable number.
361225 is a deficient number, since it is larger than the sum of its proper divisors (86725).
361225 is a wasteful number, since it uses less digits than its factorization.
361225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14459 (or 14454 counting only the distinct ones).
The product of its digits is 360, while the sum is 19.
The square root of 361225 is about 601.0199663905. The cubic root of 361225 is about 71.2184635237.
Adding to 361225 its reverse (522163), we get a palindrome (883388).
It can be divided in two parts, 361 and 225, that multiplied together give a square (81225 = 2852).
The spelling of 361225 in words is "three hundred sixty-one thousand, two hundred twenty-five".
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