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25353041 = 724211229
BaseRepresentation
bin110000010110…
…1101101010001
31202201001211112
41200231231101
522442244131
62303223105
7425332400
oct140555521
952631745
1025353041
111334712a
1285a7a95
135338acc
14351d637
15235c02b
hex182db51

25353041 has 12 divisors (see below), whose sum is σ = 29586420. Its totient is φ = 21661920.

The previous prime is 25353037. The next prime is 25353079. The reversal of 25353041 is 14035352.

It can be written as a sum of positive squares in 2 ways, for example, as 12103441 + 13249600 = 3479^2 + 3640^2 .

It is not a de Polignac number, because 25353041 - 22 = 25353037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25352998 and 25353016.

It is not an unprimeable number, because it can be changed into a prime (25353091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20015 + ... + 21243.

It is an arithmetic number, because the mean of its divisors is an integer number (2465535).

Almost surely, 225353041 is an apocalyptic number.

It is an amenable number.

25353041 is a deficient number, since it is larger than the sum of its proper divisors (4233379).

25353041 is a wasteful number, since it uses less digits than its factorization.

25353041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25353041 is about 5035.1803344071. The cubic root of 25353041 is about 293.7717427093.

Adding to 25353041 its reverse (14035352), we get a palindrome (39388393).

The spelling of 25353041 in words is "twenty-five million, three hundred fifty-three thousand, forty-one".

Divisors: 1 7 49 421 1229 2947 8603 20629 60221 517409 3621863 25353041