Search a number
-
+
25055269 is a prime number
BaseRepresentation
bin101111110010…
…1000000100101
31202010221100221
41133211000211
522403232034
62253004341
7422652301
oct137450045
952127327
1025055269
1113163438
1284836b1
135263405
143482d01
1522edbb4
hex17e5025

25055269 has 2 divisors, whose sum is σ = 25055270. Its totient is φ = 25055268.

The previous prime is 25055267. The next prime is 25055291. The reversal of 25055269 is 96255052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18164644 + 6890625 = 4262^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055269 - 21 = 25055267 is a prime.

It is a super-2 number, since 2×250552692 = 1255533009324722, which contains 22 as substring.

Together with 25055267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25055267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527634 + 12527635.

It is an arithmetic number, because the mean of its divisors is an integer number (12527635).

Almost surely, 225055269 is an apocalyptic number.

It is an amenable number.

25055269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055269 is an equidigital number, since it uses as much as digits as its factorization.

25055269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 25055269 is about 5005.5238487095. The cubic root of 25055269 is about 292.6170919421.

The spelling of 25055269 in words is "twenty-five million, fifty-five thousand, two hundred sixty-nine".