Search a number
-
+
5025781 is a prime number
BaseRepresentation
bin10011001010111111110101
3100110100002001
4103022333311
52241311111
6255415301
760501265
oct23127765
910410061
105025781
112922a42
121824531
13106c747
1494b7a5
156941c1
hex4caff5

5025781 has 2 divisors, whose sum is σ = 5025782. Its totient is φ = 5025780.

The previous prime is 5025749. The next prime is 5025791. The reversal of 5025781 is 1875205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 1188100 = 1959^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 5025781 - 25 = 5025749 is a prime.

It is a super-2 number, since 2×50257812 = 50516949319922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5025701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512890 + 2512891.

It is an arithmetic number, because the mean of its divisors is an integer number (2512891).

Almost surely, 25025781 is an apocalyptic number.

It is an amenable number.

5025781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5025781 is an equidigital number, since it uses as much as digits as its factorization.

5025781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5025781 is about 2241.8253723250. The cubic root of 5025781 is about 171.2909902411.

The spelling of 5025781 in words is "five million, twenty-five thousand, seven hundred eighty-one".