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5212561 is a prime number
BaseRepresentation
bin10011111000100110010001
3100210211021211
4103320212101
52313300221
6303420121
762206654
oct23704621
910724254
105212561
112a40302
1218b4641
131106773
1499989b
156ce6e1
hex4f8991

5212561 has 2 divisors, whose sum is σ = 5212562. Its totient is φ = 5212560.

The previous prime is 5212549. The next prime is 5212573. The reversal of 5212561 is 1652125.

It is a balanced prime because it is at equal distance from previous prime (5212549) and next prime (5212573).

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 14161 = 2280^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212561 - 219 = 4688273 is a prime.

It is a Chen prime.

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

5212561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5212541) 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, 2606280 + 2606281.

It is an arithmetic number, because the mean of its divisors is an integer number (2606281).

Almost surely, 25212561 is an apocalyptic number.

It is an amenable number.

5212561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212561 is an equidigital number, since it uses as much as digits as its factorization.

5212561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 5212561 is about 2283.1033704149. The cubic root of 5212561 is about 173.3872067090.

Adding to 5212561 its reverse (1652125), we get a palindrome (6864686).

The spelling of 5212561 in words is "five million, two hundred twelve thousand, five hundred sixty-one".