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2251049 is a prime number
BaseRepresentation
bin1000100101100100101001
311020100212012
420211210221
51034013144
6120125305
725063553
oct10454451
94210765
102251049
1112a8279
12906835
1360a7a8
144284d3
152e6e9e
hex225929

2251049 has 2 divisors, whose sum is σ = 2251050. Its totient is φ = 2251048.

The previous prime is 2251031. The next prime is 2251057. The reversal of 2251049 is 9401522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 409600 = 1357^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251049 - 28 = 2250793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2251099) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125524 + 1125525.

It is an arithmetic number, because the mean of its divisors is an integer number (1125525).

22251049 is an apocalyptic number.

It is an amenable number.

2251049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251049 is an equidigital number, since it uses as much as digits as its factorization.

2251049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2251049 is about 1500.3496259206. The cubic root of 2251049 is about 131.0574306778.

The spelling of 2251049 in words is "two million, two hundred fifty-one thousand, forty-nine".