Search a number
-
+
354225238253 is a prime number
BaseRepresentation
bin1010010011110010111…
…10000011000011101101
31020212022120021112121122
411021321132003003231
521300423130111003
6430421232110325
734410013563065
oct5117136030355
91225276245548
10354225238253
11127253a04397
12587993953a5
1327532072ac3
1413204a983a5
159332e6b238
hex52797830ed

354225238253 has 2 divisors, whose sum is σ = 354225238254. Its totient is φ = 354225238252.

The previous prime is 354225238217. The next prime is 354225238303. The reversal of 354225238253 is 352832522453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177137449129 + 177087789124 = 420877^2 + 420818^2 .

It is an emirp because it is prime and its reverse (352832522453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354225238253 - 210 = 354225237229 is a prime.

It is a super-3 number, since 3×3542252382533 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354225238853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177112619126 + 177112619127.

It is an arithmetic number, because the mean of its divisors is an integer number (177112619127).

Almost surely, 2354225238253 is an apocalyptic number.

It is an amenable number.

354225238253 is a deficient number, since it is larger than the sum of its proper divisors (1).

354225238253 is an equidigital number, since it uses as much as digits as its factorization.

354225238253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 44.

The spelling of 354225238253 in words is "three hundred fifty-four billion, two hundred twenty-five million, two hundred thirty-eight thousand, two hundred fifty-three".