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5052181 is a prime number
BaseRepresentation
bin10011010001011100010101
3100111200021211
4103101130111
52243132211
6300141421
760641251
oct23213425
910450254
105052181
112940862
121837871
13107b774
14957261
1569be21
hex4d1715

5052181 has 2 divisors, whose sum is σ = 5052182. Its totient is φ = 5052180.

The previous prime is 5052169. The next prime is 5052197. The reversal of 5052181 is 1812505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 1865956 = 1785^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 5052181 - 219 = 4527893 is a prime.

It is a super-2 number, since 2×50521812 = 51049065713522, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

5052181 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5052781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526090 + 2526091.

It is an arithmetic number, because the mean of its divisors is an integer number (2526091).

Almost surely, 25052181 is an apocalyptic number.

It is an amenable number.

5052181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5052181 is an equidigital number, since it uses as much as digits as its factorization.

5052181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5052181 is about 2247.7057191723. The cubic root of 5052181 is about 171.5903922731.

Adding to 5052181 its reverse (1812505), we get a palindrome (6864686).

The spelling of 5052181 in words is "five million, fifty-two thousand, one hundred eighty-one".