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225732697 is a prime number
BaseRepresentation
bin11010111010001…
…10100001011001
3120201202102001021
431131012201121
5430241421242
634222122441
75410460551
oct1535064131
9521672037
10225732697
11106469353
1263720421
13379c6b58
1421da0161
1514c3db67
hexd746859

225732697 has 2 divisors, whose sum is σ = 225732698. Its totient is φ = 225732696.

The previous prime is 225732691. The next prime is 225732701. The reversal of 225732697 is 796237522.

225732697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154853136 + 70879561 = 12444^2 + 8419^2 .

It is a cyclic number.

It is not a de Polignac number, because 225732697 - 211 = 225730649 is a prime.

It is not a weakly prime, because it can be changed into another prime (225732691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112866348 + 112866349.

It is an arithmetic number, because the mean of its divisors is an integer number (112866349).

Almost surely, 2225732697 is an apocalyptic number.

It is an amenable number.

225732697 is a deficient number, since it is larger than the sum of its proper divisors (1).

225732697 is an equidigital number, since it uses as much as digits as its factorization.

225732697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 225732697 is about 15024.4033824974. The cubic root of 225732697 is about 608.8796932693.

The spelling of 225732697 in words is "two hundred twenty-five million, seven hundred thirty-two thousand, six hundred ninety-seven".