Search a number
BaseRepresentation
bin100101011001010011101
32022020220012
410223022131
5303202443
642133005
713262342
oct4531235
92266805
101225373
11767706
124b1165
1333b996
1423c7c9
15193118
hex12b29d

1225373 has 2 divisors, whose sum is σ = 1225374. Its totient is φ = 1225372.

The previous prime is 1225361. The next prime is 1225381. The reversal of 1225373 is 3735221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 582169 = 802^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225373 - 28 = 1225117 is a prime.

It is a d-powerful number, because it can be written as 1 + 26 + 220 + 52 + 32 + 76 + 310 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612686 + 612687.

It is an arithmetic number, because the mean of its divisors is an integer number (612687).

21225373 is an apocalyptic number.

It is an amenable number.

1225373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225373 is an equidigital number, since it uses as much as digits as its factorization.

1225373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 1225373 is about 1106.9656724578. The cubic root of 1225373 is about 107.0096069634.

The spelling of 1225373 in words is "one million, two hundred twenty-five thousand, three hundred seventy-three".