Search a number
-
+
25701317 is a prime number
BaseRepresentation
bin110001000001…
…0101111000101
31210100202120122
41202002233011
523034420232
62314511325
7431312645
oct142025705
953322518
1025701317
1113564864
128735545
13542b4a5
1435b0525
1523ca312
hex1882bc5

25701317 has 2 divisors, whose sum is σ = 25701318. Its totient is φ = 25701316.

The previous prime is 25701271. The next prime is 25701323. The reversal of 25701317 is 71310752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21031396 + 4669921 = 4586^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 25701317 - 28 = 25701061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25701367) 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, 12850658 + 12850659.

It is an arithmetic number, because the mean of its divisors is an integer number (12850659).

Almost surely, 225701317 is an apocalyptic number.

It is an amenable number.

25701317 is a deficient number, since it is larger than the sum of its proper divisors (1).

25701317 is an equidigital number, since it uses as much as digits as its factorization.

25701317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 25701317 is about 5069.6466346285. The cubic root of 25701317 is about 295.1108154009.

The spelling of 25701317 in words is "twenty-five million, seven hundred one thousand, three hundred seventeen".