Search a number
-
+
25838383 is a prime number
BaseRepresentation
bin110001010010…
…0001100101111
31210121201121011
41202210030233
523103312013
62321450051
7432423364
oct142441457
953551534
1025838383
111364883a
1287a0927
1354789ac
14360846b
152405c3d
hex18a432f

25838383 has 2 divisors, whose sum is σ = 25838384. Its totient is φ = 25838382.

The previous prime is 25838381. The next prime is 25838389. The reversal of 25838383 is 38383852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25838383 - 21 = 25838381 is a prime.

Together with 25838381, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25838381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12919191 + 12919192.

It is an arithmetic number, because the mean of its divisors is an integer number (12919192).

Almost surely, 225838383 is an apocalyptic number.

25838383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25838383 is an equidigital number, since it uses as much as digits as its factorization.

25838383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 25838383 is about 5083.1469583320. The cubic root of 25838383 is about 295.6344975770.

It can be divided in two parts, 25 and 838383, that multiplied together give a triangular number (20959575 = T6474).

The spelling of 25838383 in words is "twenty-five million, eight hundred thirty-eight thousand, three hundred eighty-three".