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25303897 is a prime number
BaseRepresentation
bin110000010000…
…1101101011001
31202121120102101
41200201231121
522434211042
62302203401
7425036203
oct140415531
952546371
1025303897
1113313213
128583561
13531c628
143509773
15234c6b7
hex1821b59

25303897 has 2 divisors, whose sum is σ = 25303898. Its totient is φ = 25303896.

The previous prime is 25303849. The next prime is 25303913. The reversal of 25303897 is 79830352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25160256 + 143641 = 5016^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 25303897 - 211 = 25301849 is a prime.

It is not a weakly prime, because it can be changed into another prime (25303807) 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 as a sum of consecutive naturals, namely, 12651948 + 12651949.

It is an arithmetic number, because the mean of its divisors is an integer number (12651949).

Almost surely, 225303897 is an apocalyptic number.

It is an amenable number.

25303897 is a deficient number, since it is larger than the sum of its proper divisors (1).

25303897 is an equidigital number, since it uses as much as digits as its factorization.

25303897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 25303897 is about 5030.2979037031. The cubic root of 25303897 is about 293.5818055098.

The spelling of 25303897 in words is "twenty-five million, three hundred three thousand, eight hundred ninety-seven".