Search a number
-
+
25276431466259 is a prime number
BaseRepresentation
bin1011011111101001000001…
…01101111111111100010011
310022111101212222011002112222
411233310200231333330103
511303112112423410014
6125431455440211255
75216106351334151
oct557644055777423
9108441788132488
1025276431466259
118065746675636
122a028a9909b2b
1311147323b833c
146355589423d1
152dc770aa208e
hex16fd20b7ff13

25276431466259 has 2 divisors, whose sum is σ = 25276431466260. Its totient is φ = 25276431466258.

The previous prime is 25276431466183. The next prime is 25276431466261. The reversal of 25276431466259 is 95266413467252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25276431466259 is a prime.

Together with 25276431466261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25276431466159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12638215733129 + 12638215733130.

It is an arithmetic number, because the mean of its divisors is an integer number (12638215733130).

Almost surely, 225276431466259 is an apocalyptic number.

25276431466259 is a deficient number, since it is larger than the sum of its proper divisors (1).

25276431466259 is an equidigital number, since it uses as much as digits as its factorization.

25276431466259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 62.

The spelling of 25276431466259 in words is "twenty-five trillion, two hundred seventy-six billion, four hundred thirty-one million, four hundred sixty-six thousand, two hundred fifty-nine".