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33225349 is a prime number
BaseRepresentation
bin111111010111…
…1101010000101
32022112000121111
41332233222011
532001202344
63144045021
7552260623
oct176575205
968460544
1033225349
1117833773
12b163771
136b64091
1445ac513
152db4834
hex1fafa85

33225349 has 2 divisors, whose sum is σ = 33225350. Its totient is φ = 33225348.

The previous prime is 33225347. The next prime is 33225403. The reversal of 33225349 is 94352233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 4334724 = 5375^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 33225349 - 21 = 33225347 is a prime.

It is a super-2 number, since 2×332253492 = 2207847632343602, which contains 22 as substring.

Together with 33225347, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33225349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33225347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16612674 + 16612675.

It is an arithmetic number, because the mean of its divisors is an integer number (16612675).

Almost surely, 233225349 is an apocalyptic number.

It is an amenable number.

33225349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33225349 is an equidigital number, since it uses as much as digits as its factorization.

33225349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 33225349 is about 5764.1433882234. The cubic root of 33225349 is about 321.4818931599.

The spelling of 33225349 in words is "thirty-three million, two hundred twenty-five thousand, three hundred forty-nine".