Search a number
-
+
25655653 is a prime number
BaseRepresentation
bin110000111011…
…1100101100101
31210021102221101
41201313211211
523031440103
62313520101
7431032552
oct141674545
953242841
1025655653
1113533521
128713031
13541377a
14359ba29
1523bba1d
hex1877965

25655653 has 2 divisors, whose sum is σ = 25655654. Its totient is φ = 25655652.

The previous prime is 25655629. The next prime is 25655659. The reversal of 25655653 is 35655652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13704804 + 11950849 = 3702^2 + 3457^2 .

It is a cyclic number.

It is not a de Polignac number, because 25655653 - 221 = 23558501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25655659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12827826 + 12827827.

It is an arithmetic number, because the mean of its divisors is an integer number (12827827).

Almost surely, 225655653 is an apocalyptic number.

It is an amenable number.

25655653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25655653 is an equidigital number, since it uses as much as digits as its factorization.

25655653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 37.

The square root of 25655653 is about 5065.1409654619. The cubic root of 25655653 is about 294.9359355281.

Subtracting 25655653 from its reverse (35655652), we obtain a palindrome (9999999).

The spelling of 25655653 in words is "twenty-five million, six hundred fifty-five thousand, six hundred fifty-three".