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64025249 is a prime number
BaseRepresentation
bin1111010000111…
…1001010100001
311110110211010112
43310033022201
5112342301444
610204141105
71405130351
oct364171241
9143424115
1064025249
1133160132
1219537795
1310359182
148708b61
15594a69e
hex3d0f2a1

64025249 has 2 divisors, whose sum is σ = 64025250. Its totient is φ = 64025248.

The previous prime is 64025201. The next prime is 64025251. The reversal of 64025249 is 94252046.

64025249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 11607649 = 7240^2 + 3407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64025249 is a prime.

Together with 64025251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64025279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32012624 + 32012625.

It is an arithmetic number, because the mean of its divisors is an integer number (32012625).

Almost surely, 264025249 is an apocalyptic number.

It is an amenable number.

64025249 is a deficient number, since it is larger than the sum of its proper divisors (1).

64025249 is an equidigital number, since it uses as much as digits as its factorization.

64025249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 64025249 is about 8001.5779068881. The cubic root of 64025249 is about 400.0525951674.

The spelling of 64025249 in words is "sixty-four million, twenty-five thousand, two hundred forty-nine".