1255633 has 2 divisors, whose sum is σ = 1255634. Its totient is φ = 1255632.
The previous prime is 1255619. The next prime is 1255651. The reversal of 1255633 is 3365521.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1117249 + 138384 = 1057^2 + 372^2 .
It is a cyclic number.
It is not a de Polignac number, because 1255633 - 25 = 1255601 is a prime.
It is a super-2 number, since 2×12556332 = 3153228461378, which contains 22 as substring.
1255633 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 1255598 and 1255607.
It is not a weakly prime, because it can be changed into another prime (1255663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627816 + 627817.
It is an arithmetic number, because the mean of its divisors is an integer number (627817).
21255633 is an apocalyptic number.
It is an amenable number.
1255633 is a deficient number, since it is larger than the sum of its proper divisors (1).
1255633 is an equidigital number, since it uses as much as digits as its factorization.
1255633 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2700, while the sum is 25.
The square root of 1255633 is about 1120.5503112310. The cubic root of 1255633 is about 107.8833044526.
The spelling of 1255633 in words is "one million, two hundred fifty-five thousand, six hundred thirty-three".
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