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25089025 = 52131719239
BaseRepresentation
bin101111110110…
…1010000000001
31202012122200011
41133231100001
522410322100
62253424521
7423152563
oct137552001
952178604
1025089025
1113186835
12849b141
1352758a0
143491333
152308bba
hex17ed401

25089025 has 48 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 16450560.

The previous prime is 25089019. The next prime is 25089037. The reversal of 25089025 is 52098052.

It is a happy number.

It is not a de Polignac number, because 25089025 - 23 = 25089017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104856 + ... + 105094.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 225089025 is an apocalyptic number.

25089025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25089025 is a deficient number, since it is larger than the sum of its proper divisors (12408575).

25089025 is a wasteful number, since it uses less digits than its factorization.

25089025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 25089025 is about 5008.8945886293. The cubic root of 25089025 is about 292.7484435549.

The spelling of 25089025 in words is "twenty-five million, eighty-nine thousand, twenty-five".

Divisors: 1 5 13 17 19 25 65 85 95 221 239 247 323 325 425 475 1105 1195 1235 1615 3107 4063 4199 4541 5525 5975 6175 8075 15535 20315 20995 22705 52819 59033 77197 77675 101575 104975 113525 264095 295165 385985 1003561 1320475 1475825 1929925 5017805 25089025