Search a number
-
+
5257725131 is a prime number
BaseRepresentation
bin1001110010110001…
…01000010011001011
3111120102100002222102
410321120220103023
541231434201011
62225415144015
7244201632461
oct47130502313
914512302872
105257725131
11225893778a
12102897500b
1365a377579
1437c3cc831
1520b8b473b
hex1396284cb

5257725131 has 2 divisors, whose sum is σ = 5257725132. Its totient is φ = 5257725130.

The previous prime is 5257725113. The next prime is 5257725139. The reversal of 5257725131 is 1315277525.

It is a happy number.

5257725131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (5257725113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5257725131 is a prime.

It is a super-2 number, since 2×52577251312 = 55287347106297934322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5257725139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628862565 + 2628862566.

It is an arithmetic number, because the mean of its divisors is an integer number (2628862566).

Almost surely, 25257725131 is an apocalyptic number.

5257725131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257725131 is an equidigital number, since it uses as much as digits as its factorization.

5257725131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 5257725131 is about 72510.1726035734. The cubic root of 5257725131 is about 1738.8653732713.

The spelling of 5257725131 in words is "five billion, two hundred fifty-seven million, seven hundred twenty-five thousand, one hundred thirty-one".