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25950425 = 521038017
BaseRepresentation
bin110001011111…
…1100011011001
31210211102021212
41202333203121
523120403200
62324112505
7433401134
oct142774331
953742255
1025950425
1113714a36
128835735
1354b79a7
14363721b
152429035
hex18bf8d9

25950425 has 6 divisors (see below), whose sum is σ = 32178558. Its totient is φ = 20760320.

The previous prime is 25950401. The next prime is 25950427. The reversal of 25950425 is 52405952.

It can be written as a sum of positive squares in 3 ways, for example, as 2253001 + 23697424 = 1501^2 + 4868^2 .

It is not a de Polignac number, because 25950425 - 26 = 25950361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25950391 and 25950400.

It is not an unprimeable number, because it can be changed into a prime (25950427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518984 + ... + 519033.

It is an arithmetic number, because the mean of its divisors is an integer number (5363093).

Almost surely, 225950425 is an apocalyptic number.

25950425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25950425 is a deficient number, since it is larger than the sum of its proper divisors (6228133).

25950425 is a wasteful number, since it uses less digits than its factorization.

25950425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038027 (or 1038022 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 25950425 is about 5094.1559654176. The cubic root of 25950425 is about 296.0611976278.

The spelling of 25950425 in words is "twenty-five million, nine hundred fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 1038017 5190085 25950425