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25333249 is a prime number
BaseRepresentation
bin110000010100…
…0111000000001
31202200001200111
41200220320001
522441130444
62302551321
7425220604
oct140507001
952601614
1025333249
1113333277
128598541
13532cab6
14351633b
152356234
hex1828e01

25333249 has 2 divisors, whose sum is σ = 25333250. Its totient is φ = 25333248.

The previous prime is 25333241. The next prime is 25333267. The reversal of 25333249 is 94233352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 8809024 = 4065^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 25333249 - 23 = 25333241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25333249.

It is not a weakly prime, because it can be changed into another prime (25333241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12666624 + 12666625.

It is an arithmetic number, because the mean of its divisors is an integer number (12666625).

Almost surely, 225333249 is an apocalyptic number.

It is an amenable number.

25333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

25333249 is an equidigital number, since it uses as much as digits as its factorization.

25333249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 25333249 is about 5033.2145791730. The cubic root of 25333249 is about 293.6952779309.

The spelling of 25333249 in words is "twenty-five million, three hundred thirty-three thousand, two hundred forty-nine".