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6405253223 is a prime number
BaseRepresentation
bin1011111011100100…
…00110100001100111
3121112101121120120212
411331302012201213
5101104221100343
62535330450035
7314504516435
oct57562064147
917471546525
106405253223
112797664606
1212a913391b
137b1029485
1444a97dd55
152774d7c18
hex17dc86867

6405253223 has 2 divisors, whose sum is σ = 6405253224. Its totient is φ = 6405253222.

The previous prime is 6405253207. The next prime is 6405253237. The reversal of 6405253223 is 3223525046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6405253223 - 24 = 6405253207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6405253223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6405253243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202626611 + 3202626612.

It is an arithmetic number, because the mean of its divisors is an integer number (3202626612).

Almost surely, 26405253223 is an apocalyptic number.

6405253223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6405253223 is an equidigital number, since it uses as much as digits as its factorization.

6405253223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 6405253223 is about 80032.8259091231. The cubic root of 6405253223 is about 1857.1433799629.

Adding to 6405253223 its reverse (3223525046), we get a palindrome (9628778269).

The spelling of 6405253223 in words is "six billion, four hundred five million, two hundred fifty-three thousand, two hundred twenty-three".