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225959513 = 1379220019
BaseRepresentation
bin11010111011111…
…01111001011001
3120202011221011212
431131331321121
5430321201023
634231032505
75412424043
oct1535757131
9522157155
10225959513
111066037aa
126380b735
1337a76170
142201ca93
1514c85e78
hexd77de59

225959513 has 8 divisors (see below), whose sum is σ = 246422400. Its totient is φ = 205936848.

The previous prime is 225959509. The next prime is 225959579. The reversal of 225959513 is 315959522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225959513 - 22 = 225959509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225959413) 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 in 7 ways as a sum of consecutive naturals, for example, 108983 + ... + 111036.

It is an arithmetic number, because the mean of its divisors is an integer number (30802800).

Almost surely, 2225959513 is an apocalyptic number.

It is an amenable number.

225959513 is a deficient number, since it is larger than the sum of its proper divisors (20462887).

225959513 is a wasteful number, since it uses less digits than its factorization.

225959513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220111.

The product of its digits is 121500, while the sum is 41.

The square root of 225959513 is about 15031.9497404695. The cubic root of 225959513 is about 609.0835589161.

Subtracting 225959513 from its reverse (315959522), we obtain a palindrome (90000009).

The spelling of 225959513 in words is "two hundred twenty-five million, nine hundred fifty-nine thousand, five hundred thirteen".

Divisors: 1 13 79 1027 220019 2860247 17381501 225959513