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25768091 is a prime number
BaseRepresentation
bin110001001001…
…1000010011011
31210111011011202
41202103002123
523044034331
62320144415
7432011426
oct142230233
953434152
1025768091
11135aaa48
12876810b
1354529bb
1435ca9bd
1523deecb
hex189309b

25768091 has 2 divisors, whose sum is σ = 25768092. Its totient is φ = 25768090.

The previous prime is 25768087. The next prime is 25768103. The reversal of 25768091 is 19086752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25768091 - 22 = 25768087 is a prime.

It is a Sophie Germain prime.

It is a weakly prime.

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, 12884045 + 12884046.

It is an arithmetic number, because the mean of its divisors is an integer number (12884046).

Almost surely, 225768091 is an apocalyptic number.

25768091 is a deficient number, since it is larger than the sum of its proper divisors (1).

25768091 is an equidigital number, since it uses as much as digits as its factorization.

25768091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 25768091 is about 5076.2280287631. The cubic root of 25768091 is about 295.3661679251.

The spelling of 25768091 in words is "twenty-five million, seven hundred sixty-eight thousand, ninety-one".