Search a number
-
+
25914539517941 is a prime number
BaseRepresentation
bin1011110010001101100101…
…11011000010011111110101
310101202101221211000202100202
411321012302323002133311
511344040434104033231
6131040550342250245
75313156306306524
oct571066273023765
9111671854022322
1025914539517941
118291326a70418
122aa64b2a26985
13115c966153349
146583addc44bb
152ee16b2895cb
hex1791b2ec27f5

25914539517941 has 2 divisors, whose sum is σ = 25914539517942. Its totient is φ = 25914539517940.

The previous prime is 25914539517913. The next prime is 25914539517943. The reversal of 25914539517941 is 14971593541952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25908649722916 + 5889795025 = 5090054^2 + 76745^2 .

It is a cyclic number.

It is not a de Polignac number, because 25914539517941 - 218 = 25914539255797 is a prime.

Together with 25914539517943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25914539517943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12957269758970 + 12957269758971.

It is an arithmetic number, because the mean of its divisors is an integer number (12957269758971).

Almost surely, 225914539517941 is an apocalyptic number.

It is an amenable number.

25914539517941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25914539517941 is an equidigital number, since it uses as much as digits as its factorization.

25914539517941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236000, while the sum is 65.

The spelling of 25914539517941 in words is "twenty-five trillion, nine hundred fourteen billion, five hundred thirty-nine million, five hundred seventeen thousand, nine hundred forty-one".