Search a number
-
+
522193472237 is a prime number
BaseRepresentation
bin1111001100101010010…
…10000000101011101101
31211220212120010220201202
413212111022000223231
532023423012102422
61035520430215245
752504304164133
oct7462512005355
91756776126652
10522193472237
11191508668698
1285255654525
133a3200aca78
141b3ba967753
15d8b422bb92
hex7995280aed

522193472237 has 2 divisors, whose sum is σ = 522193472238. Its totient is φ = 522193472236.

The previous prime is 522193472201. The next prime is 522193472239. The reversal of 522193472237 is 732274391225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521542508041 + 650964196 = 722179^2 + 25514^2 .

It is a cyclic number.

It is not a de Polignac number, because 522193472237 - 228 = 521925036781 is a prime.

Together with 522193472239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 522193472191 and 522193472200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522193472239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261096736118 + 261096736119.

It is an arithmetic number, because the mean of its divisors is an integer number (261096736119).

Almost surely, 2522193472237 is an apocalyptic number.

It is an amenable number.

522193472237 is a deficient number, since it is larger than the sum of its proper divisors (1).

522193472237 is an equidigital number, since it uses as much as digits as its factorization.

522193472237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 47.

The spelling of 522193472237 in words is "five hundred twenty-two billion, one hundred ninety-three million, four hundred seventy-two thousand, two hundred thirty-seven".