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25065137 is a prime number
BaseRepresentation
bin101111110011…
…1011010110001
31202011102220102
41133213122301
522404041022
62253122145
7423023126
oct137473261
952142812
1025065137
111316a899
128489355
135267a56
14348674d
152301a92
hex17e76b1

25065137 has 2 divisors, whose sum is σ = 25065138. Its totient is φ = 25065136.

The previous prime is 25065127. The next prime is 25065179. The reversal of 25065137 is 73156052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19678096 + 5387041 = 4436^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 25065137 - 28 = 25064881 is a prime.

It is a super-2 number, since 2×250651372 = 1256522185657538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25065107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532568 + 12532569.

It is an arithmetic number, because the mean of its divisors is an integer number (12532569).

Almost surely, 225065137 is an apocalyptic number.

It is an amenable number.

25065137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25065137 is an equidigital number, since it uses as much as digits as its factorization.

25065137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 25065137 is about 5006.5094626895. The cubic root of 25065137 is about 292.6555025782.

The spelling of 25065137 in words is "twenty-five million, sixty-five thousand, one hundred thirty-seven".