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111425213 is a prime number
BaseRepresentation
bin1101010010000…
…11011010111101
321202122222122202
412221003122331
5212011101323
615020121245
72522045564
oct651033275
9252588582
10111425213
1157995459
1231396225
131a113ca3
1410b26bdb
159baed28
hex6a436bd

111425213 has 2 divisors, whose sum is σ = 111425214. Its totient is φ = 111425212.

The previous prime is 111425207. The next prime is 111425219. The reversal of 111425213 is 312524111.

It is a balanced prime because it is at equal distance from previous prime (111425207) and next prime (111425219).

It can be written as a sum of positive squares in only one way, i.e., 111049444 + 375769 = 10538^2 + 613^2 .

It is an emirp because it is prime and its reverse (312524111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111425213 - 222 = 107230909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111425219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55712606 + 55712607.

It is an arithmetic number, because the mean of its divisors is an integer number (55712607).

Almost surely, 2111425213 is an apocalyptic number.

It is an amenable number.

111425213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111425213 is an equidigital number, since it uses as much as digits as its factorization.

111425213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 111425213 is about 10555.8141798726. The cubic root of 111425213 is about 481.2024438756.

Adding to 111425213 its reverse (312524111), we get a palindrome (423949324).

The spelling of 111425213 in words is "one hundred eleven million, four hundred twenty-five thousand, two hundred thirteen".