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25259701 is a prime number
BaseRepresentation
bin110000001011…
…0111010110101
31202112022210111
41200112322311
522431302301
62301223021
7424463305
oct140267265
952468714
1025259701
1113292a95
128561a71
13530548c
1434d7605
15233e551
hex1816eb5

25259701 has 2 divisors, whose sum is σ = 25259702. Its totient is φ = 25259700.

The previous prime is 25259687. The next prime is 25259711. The reversal of 25259701 is 10795252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 6380676 = 4345^2 + 2526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25259701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25259711) 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 as a sum of consecutive naturals, namely, 12629850 + 12629851.

It is an arithmetic number, because the mean of its divisors is an integer number (12629851).

Almost surely, 225259701 is an apocalyptic number.

It is an amenable number.

25259701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25259701 is an equidigital number, since it uses as much as digits as its factorization.

25259701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 25259701 is about 5025.9030034413. The cubic root of 25259701 is about 293.4107817477.

The spelling of 25259701 in words is "twenty-five million, two hundred fifty-nine thousand, seven hundred one".