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25201349 is a prime number
BaseRepresentation
bin110000000100…
…0101011000101
31202102100202022
41200020223011
522422420344
62300052525
7424131215
oct140105305
952370668
1025201349
1113253168
128534145
1352b4a54
1434c0245
15232c0ee
hex1808ac5

25201349 has 2 divisors, whose sum is σ = 25201350. Its totient is φ = 25201348.

The previous prime is 25201339. The next prime is 25201369. The reversal of 25201349 is 94310252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 21025 = 5018^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 25201349 - 24 = 25201333 is a prime.

It is a super-3 number, since 3×252013493 (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25201339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600674 + 12600675.

It is an arithmetic number, because the mean of its divisors is an integer number (12600675).

Almost surely, 225201349 is an apocalyptic number.

It is an amenable number.

25201349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25201349 is an equidigital number, since it uses as much as digits as its factorization.

25201349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 25201349 is about 5020.0945210225. The cubic root of 25201349 is about 293.1846731514.

The spelling of 25201349 in words is "twenty-five million, two hundred one thousand, three hundred forty-nine".