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25084489 is a prime number
BaseRepresentation
bin101111110110…
…0001001001001
31202012102110011
41133230021021
522410200424
62253351521
7423133423
oct137541111
952172404
1025084489
1113183391
1284985a1
1352737c1
14348d813
152307694
hex17ec249

25084489 has 2 divisors, whose sum is σ = 25084490. Its totient is φ = 25084488.

The previous prime is 25084463. The next prime is 25084567. The reversal of 25084489 is 98448052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 284089 = 4980^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 25084489 - 25 = 25084457 is a prime.

It is a super-2 number, since 2×250844892 = 1258463176782242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25084429) 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, 12542244 + 12542245.

It is an arithmetic number, because the mean of its divisors is an integer number (12542245).

Almost surely, 225084489 is an apocalyptic number.

It is an amenable number.

25084489 is a deficient number, since it is larger than the sum of its proper divisors (1).

25084489 is an equidigital number, since it uses as much as digits as its factorization.

25084489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 25084489 is about 5008.4417736458. The cubic root of 25084489 is about 292.7307998910.

The spelling of 25084489 in words is "twenty-five million, eighty-four thousand, four hundred eighty-nine".