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5212549 is a prime number
BaseRepresentation
bin10011111000100110000101
3100210211021101
4103320212011
52313300144
6303420101
762206636
oct23704605
910724241
105212549
112a402a1
1218b4631
131106764
1499988d
156ce6d4
hex4f8985

5212549 has 2 divisors, whose sum is σ = 5212550. Its totient is φ = 5212548.

The previous prime is 5212541. The next prime is 5212561. The reversal of 5212549 is 9452125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 611524 = 2145^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212549 - 23 = 5212541 is a prime.

It is a Chen prime.

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

It is a congruent 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, 2606274 + 2606275.

It is an arithmetic number, because the mean of its divisors is an integer number (2606275).

Almost surely, 25212549 is an apocalyptic number.

It is an amenable number.

5212549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212549 is an equidigital number, since it uses as much as digits as its factorization.

5212549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 5212549 is about 2283.1007424115. The cubic root of 5212549 is about 173.3870736555.

The spelling of 5212549 in words is "five million, two hundred twelve thousand, five hundred forty-nine".