Search a number
-
+
540751 is a prime number
BaseRepresentation
bin10000100000001001111
31000110202211
42010001033
5114301001
615331251
74411351
oct2040117
91013684
10540751
1133a302
12220b27
1315c193
141010d1
15aa351
hex8404f

540751 has 2 divisors, whose sum is σ = 540752. Its totient is φ = 540750.

The previous prime is 540713. The next prime is 540769. The reversal of 540751 is 157045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270375 + 270376.

It is an arithmetic number, because the mean of its divisors is an integer number (270376).

2540751 is an apocalyptic number.

540751 is a deficient number, since it is larger than the sum of its proper divisors (1).

540751 is an equidigital number, since it uses as much as digits as its factorization.

540751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 540751 is about 735.3577360714. The cubic root of 540751 is about 81.4702615226.

Adding to 540751 its reverse (157045), we get a palindrome (697796).

The spelling of 540751 in words is "five hundred forty thousand, seven hundred fifty-one".