Search a number
-
+
25765153 is a prime number
BaseRepresentation
bin110001001001…
…0010100100001
31210111000010221
41202102110201
523043441103
62320123041
7432000031
oct142222441
953430127
1025765153
11135a8817
128766481
13545156b
1435c98c1
1523de1bd
hex1892521

25765153 has 2 divisors, whose sum is σ = 25765154. Its totient is φ = 25765152.

The previous prime is 25765147. The next prime is 25765163. The reversal of 25765153 is 35156752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 1882384 = 4887^2 + 1372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25765153 is a prime.

It is a super-2 number, since 2×257651532 = 1327686218226818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25765133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12882576 + 12882577.

It is an arithmetic number, because the mean of its divisors is an integer number (12882577).

Almost surely, 225765153 is an apocalyptic number.

It is an amenable number.

25765153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25765153 is an equidigital number, since it uses as much as digits as its factorization.

25765153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 34.

The square root of 25765153 is about 5075.9386324108. The cubic root of 25765153 is about 295.3549419119.

It can be divided in two parts, 2576 and 5153, that multiplied together give a triangular number (13274128 = T5152).

The spelling of 25765153 in words is "twenty-five million, seven hundred sixty-five thousand, one hundred fifty-three".