Search a number
-
+
25325828113 is a prime number
BaseRepresentation
bin10111100101100010…
…010111100000010001
32102101000000100221211
4113211202113200101
5403331402444423
615345020220121
71554411662365
oct274542274021
972330010854
1025325828113
11a816851563
124aa969a641
132507ba8411
1413237612a5
159d35d410d
hex5e5897811

25325828113 has 2 divisors, whose sum is σ = 25325828114. Its totient is φ = 25325828112.

The previous prime is 25325828071. The next prime is 25325828147. The reversal of 25325828113 is 31182852352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21050237569 + 4275590544 = 145087^2 + 65388^2 .

It is a cyclic number.

It is not a de Polignac number, because 25325828113 - 233 = 16735893521 is a prime.

It is a super-2 number, since 2×253258281132 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25325828153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662914056 + 12662914057.

It is an arithmetic number, because the mean of its divisors is an integer number (12662914057).

Almost surely, 225325828113 is an apocalyptic number.

It is an amenable number.

25325828113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325828113 is an equidigital number, since it uses as much as digits as its factorization.

25325828113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 40.

The spelling of 25325828113 in words is "twenty-five billion, three hundred twenty-five million, eight hundred twenty-eight thousand, one hundred thirteen".