Search a number
-
+
25896425 = 521377561
BaseRepresentation
bin110001011001…
…0010111101001
31210201200012212
41202302113221
523112141200
62323014505
7433054532
oct142622751
953650185
1025896425
1113688405
12880a435
135499239
143621689
152418035
hex18b25e9

25896425 has 12 divisors (see below), whose sum is σ = 32350236. Its totient is φ = 20563200.

The previous prime is 25896421. The next prime is 25896427. The reversal of 25896425 is 52469852.

It can be written as a sum of positive squares in 6 ways, for example, as 1413721 + 24482704 = 1189^2 + 4948^2 .

It is not a de Polignac number, because 25896425 - 22 = 25896421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25896421) 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 in 11 ways as a sum of consecutive naturals, for example, 356 + ... + 7205.

It is an arithmetic number, because the mean of its divisors is an integer number (2695853).

Almost surely, 225896425 is an apocalyptic number.

25896425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25896425 is a deficient number, since it is larger than the sum of its proper divisors (6453811).

25896425 is a wasteful number, since it uses less digits than its factorization.

25896425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708 (or 7703 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 25896425 is about 5088.8530141870. The cubic root of 25896425 is about 295.8556980161.

The spelling of 25896425 in words is "twenty-five million, eight hundred ninety-six thousand, four hundred twenty-five".

Divisors: 1 5 25 137 685 3425 7561 37805 189025 1035857 5179285 25896425