Search a number
-
+
875772481 is a prime number
BaseRepresentation
bin110100001100110…
…011101001000001
32021000220211222211
4310030303221001
53243144204411
6222522502121
730462641353
oct6414635101
92230824884
10875772481
1140a394911
12205364941
1310c592c8c
14844510d3
1551d43221
hex34333a41

875772481 has 2 divisors, whose sum is σ = 875772482. Its totient is φ = 875772480.

The previous prime is 875772461. The next prime is 875772509. The reversal of 875772481 is 184277578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866772481 + 9000000 = 29441^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 875772481 - 217 = 875641409 is a prime.

It is a super-2 number, since 2×8757724812 = 1533954876953790722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (875772461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437886240 + 437886241.

It is an arithmetic number, because the mean of its divisors is an integer number (437886241).

Almost surely, 2875772481 is an apocalyptic number.

It is an amenable number.

875772481 is a deficient number, since it is larger than the sum of its proper divisors (1).

875772481 is an equidigital number, since it uses as much as digits as its factorization.

875772481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 878080, while the sum is 49.

The square root of 875772481 is about 29593.4533469820. The cubic root of 875772481 is about 956.7469758338.

The spelling of 875772481 in words is "eight hundred seventy-five million, seven hundred seventy-two thousand, four hundred eighty-one".