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1225541353 is a prime number
BaseRepresentation
bin100100100001100…
…0100011011101001
310011102001221200111
41021003010123221
510002214310403
6321335334321
742240633601
oct11103043351
93142057614
101225541353
115798713a3
122a25213a1
13166b97bca
14b8a9bc01
15728d356d
hex490c46e9

1225541353 has 2 divisors, whose sum is σ = 1225541354. Its totient is φ = 1225541352.

The previous prime is 1225541327. The next prime is 1225541371. The reversal of 1225541353 is 3531455221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166359104 + 59182249 = 34152^2 + 7693^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225541353 - 217 = 1225410281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225541393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612770676 + 612770677.

It is an arithmetic number, because the mean of its divisors is an integer number (612770677).

Almost surely, 21225541353 is an apocalyptic number.

It is an amenable number.

1225541353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225541353 is an equidigital number, since it uses as much as digits as its factorization.

1225541353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 1225541353 is about 35007.7327600632. The cubic root of 1225541353 is about 1070.1450739331.

Adding to 1225541353 its reverse (3531455221), we get a palindrome (4756996574).

The spelling of 1225541353 in words is "one billion, two hundred twenty-five million, five hundred forty-one thousand, three hundred fifty-three".