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25260269 is a prime number
BaseRepresentation
bin110000001011…
…1000011101101
31202112100120112
41200113003231
522431312034
62301225405
7424465046
oct140270355
952470515
1025260269
1113293461
128562265
135305808
1434d78cd
15233e7ce
hex18170ed

25260269 has 2 divisors, whose sum is σ = 25260270. Its totient is φ = 25260268.

The previous prime is 25260259. The next prime is 25260281. The reversal of 25260269 is 96206252.

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., 14730244 + 10530025 = 3838^2 + 3245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25260269 is a prime.

It is a super-2 number, since 2×252602692 = 1276162379904722, which contains 22 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 (25260259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12630134 + 12630135.

It is an arithmetic number, because the mean of its divisors is an integer number (12630135).

Almost surely, 225260269 is an apocalyptic number.

It is an amenable number.

25260269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25260269 is an equidigital number, since it uses as much as digits as its factorization.

25260269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25260269 is about 5025.9595103821. The cubic root of 25260269 is about 293.4129809830.

The spelling of 25260269 in words is "twenty-five million, two hundred sixty thousand, two hundred sixty-nine".