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225957097 is a prime number
BaseRepresentation
bin11010111011111…
…01010011101001
3120202011210212101
431131331103221
5430321111342
634231013401
75412414022
oct1535752351
9522153771
10225957097
11106601a03
126380a261
1337a75032
142201bc49
1514c853b7
hexd77d4e9

225957097 has 2 divisors, whose sum is σ = 225957098. Its totient is φ = 225957096.

The previous prime is 225957091. The next prime is 225957107. The reversal of 225957097 is 790759522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209989081 + 15968016 = 14491^2 + 3996^2 .

It is a cyclic number.

It is not a de Polignac number, because 225957097 - 215 = 225924329 is a prime.

It is not a weakly prime, because it can be changed into another prime (225957091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112978548 + 112978549.

It is an arithmetic number, because the mean of its divisors is an integer number (112978549).

Almost surely, 2225957097 is an apocalyptic number.

It is an amenable number.

225957097 is a deficient number, since it is larger than the sum of its proper divisors (1).

225957097 is an equidigital number, since it uses as much as digits as its factorization.

225957097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 225957097 is about 15031.8693780913. The cubic root of 225957097 is about 609.0813880979.

It can be divided in two parts, 22595 and 7097, that added together give a palindrome (29692).

The spelling of 225957097 in words is "two hundred twenty-five million, nine hundred fifty-seven thousand, ninety-seven".