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25895097 = 3217169249
BaseRepresentation
bin110001011001…
…0000010111001
31210201121101200
41202302002321
523112120342
62323004413
7433050624
oct142620271
953647350
1025895097
1113687408
128809709
135498757
143620dbb
15241794c
hex18b20b9

25895097 has 12 divisors (see below), whose sum is σ = 39604500. Its totient is φ = 16247808.

The previous prime is 25895083. The next prime is 25895101. The reversal of 25895097 is 79059852.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 3767481 = 4704^2 + 1941^2 .

It is not a de Polignac number, because 25895097 - 27 = 25894969 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25895197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84472 + ... + 84777.

It is an arithmetic number, because the mean of its divisors is an integer number (3300375).

Almost surely, 225895097 is an apocalyptic number.

It is an amenable number.

25895097 is a deficient number, since it is larger than the sum of its proper divisors (13709403).

25895097 is a wasteful number, since it uses less digits than its factorization.

25895097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169272 (or 169269 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 25895097 is about 5088.7225312449. The cubic root of 25895097 is about 295.8506406502.

The spelling of 25895097 in words is "twenty-five million, eight hundred ninety-five thousand, ninety-seven".

Divisors: 1 3 9 17 51 153 169249 507747 1523241 2877233 8631699 25895097