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5261387 is a prime number
BaseRepresentation
bin10100000100100001001011
3100220022021012
4110010201023
52321331022
6304434135
762502215
oct24044113
910808235
105261387
112a73a5a
12191894b
131122a61
149ad5b5
156ddde2
hex50484b

5261387 has 2 divisors, whose sum is σ = 5261388. Its totient is φ = 5261386.

The previous prime is 5261359. The next prime is 5261419. The reversal of 5261387 is 7831625.

It is a happy number.

It is an a-pointer prime, because the next prime (5261419) can be obtained adding 5261387 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5261387 - 26 = 5261323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5261317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630693 + 2630694.

It is an arithmetic number, because the mean of its divisors is an integer number (2630694).

Almost surely, 25261387 is an apocalyptic number.

5261387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261387 is an equidigital number, since it uses as much as digits as its factorization.

5261387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 5261387 is about 2293.7713486745. The cubic root of 5261387 is about 173.9268971111.

The spelling of 5261387 in words is "five million, two hundred sixty-one thousand, three hundred eighty-seven".