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25034161 is a prime number
BaseRepresentation
bin101111101111…
…1110110110001
31202002212102011
41133133312301
522402043121
62252322521
7422533615
oct137376661
952085364
1025034161
1113149599
128473441
135256919
143479345
1522e77e1
hex17dfdb1

25034161 has 2 divisors, whose sum is σ = 25034162. Its totient is φ = 25034160.

The previous prime is 25034159. The next prime is 25034173. The reversal of 25034161 is 16143052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 1210000 = 4881^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 25034161 - 21 = 25034159 is a prime.

Together with 25034159, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25034101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517080 + 12517081.

It is an arithmetic number, because the mean of its divisors is an integer number (12517081).

Almost surely, 225034161 is an apocalyptic number.

It is an amenable number.

25034161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25034161 is an equidigital number, since it uses as much as digits as its factorization.

25034161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25034161 is about 5003.4149338227. The cubic root of 25034161 is about 292.5348963650.

The spelling of 25034161 in words is "twenty-five million, thirty-four thousand, one hundred sixty-one".