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25004026625 = 531991005187
BaseRepresentation
bin10111010010010110…
…110010101100000001
32101112120111011022012
4113102112302230001
5402202012323000
615253043022305
71543423501544
oct272226625401
971476434265
1025004026625
11a671137316
124a1996a995
132486316236
1412d2b1485b
159b521a735
hex5d25b2b01

25004026625 has 16 divisors (see below), whose sum is σ = 31361865600. Its totient is φ = 19902682800.

The previous prime is 25004026603. The next prime is 25004026661. The reversal of 25004026625 is 52662040052.

It is not a de Polignac number, because 25004026625 - 218 = 25003764481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25004026591 and 25004026600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477719 + ... + 527468.

It is an arithmetic number, because the mean of its divisors is an integer number (1960116600).

Almost surely, 225004026625 is an apocalyptic number.

25004026625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25004026625 is a deficient number, since it is larger than the sum of its proper divisors (6357838975).

25004026625 is a wasteful number, since it uses less digits than its factorization.

25004026625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005401 (or 1005391 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25004026625 its reverse (52662040052), we get a palindrome (77666066677).

The spelling of 25004026625 in words is "twenty-five billion, four million, twenty-six thousand, six hundred twenty-five".

Divisors: 1 5 25 125 199 995 4975 24875 1005187 5025935 25129675 125648375 200032213 1000161065 5000805325 25004026625