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5212825909 is a prime number
BaseRepresentation
bin1001101101011010…
…10110100100110101
3111110021211222211021
410312231112210311
541133440412114
62221132541141
7243115201114
oct46655264465
914407758737
105212825909
112235560295
1210159217b1
13650c86a95
14376461c7b
15207996024
hex136b56935

5212825909 has 2 divisors, whose sum is σ = 5212825910. Its totient is φ = 5212825908.

The previous prime is 5212825907. The next prime is 5212825949. The reversal of 5212825909 is 9095282125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4156380900 + 1056445009 = 64470^2 + 32503^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212825909 - 21 = 5212825907 is a prime.

Together with 5212825907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5212825907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606412954 + 2606412955.

It is an arithmetic number, because the mean of its divisors is an integer number (2606412955).

Almost surely, 25212825909 is an apocalyptic number.

It is an amenable number.

5212825909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212825909 is an equidigital number, since it uses as much as digits as its factorization.

5212825909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 5212825909 is about 72199.9024168316. The cubic root of 5212825909 is about 1733.9014391221.

The spelling of 5212825909 in words is "five billion, two hundred twelve million, eight hundred twenty-five thousand, nine hundred nine".