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25305041 = 59428899
BaseRepresentation
bin110000010000…
…1111111010001
31202121121222202
41200201333101
522434230131
62302212545
7425042426
oct140417721
952547882
1025305041
1113314063
128584155
13531ccc8
143509d4d
15234cbcb
hex1821fd1

25305041 has 4 divisors (see below), whose sum is σ = 25734000. Its totient is φ = 24876084.

The previous prime is 25305013. The next prime is 25305053. The reversal of 25305041 is 14050352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25305041 - 26 = 25304977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25305001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214391 + ... + 214508.

It is an arithmetic number, because the mean of its divisors is an integer number (6433500).

Almost surely, 225305041 is an apocalyptic number.

It is an amenable number.

25305041 is a deficient number, since it is larger than the sum of its proper divisors (428959).

25305041 is an equidigital number, since it uses as much as digits as its factorization.

25305041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428958.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25305041 is about 5030.4116133772. The cubic root of 25305041 is about 293.5862297627.

Adding to 25305041 its reverse (14050352), we get a palindrome (39355393).

The spelling of 25305041 in words is "twenty-five million, three hundred five thousand, forty-one".

Divisors: 1 59 428899 25305041