Search a number
-
+
8250961 is a prime number
BaseRepresentation
bin11111011110011001010001
3120112012012011
4133132121101
54103012321
6452502521
7130063165
oct37363121
916465164
108250961
114726084
12291aa41
13192b734
14114aca5
15aceae1
hex7de651

8250961 has 2 divisors, whose sum is σ = 8250962. Its totient is φ = 8250960.

The previous prime is 8250953. The next prime is 8250989. The reversal of 8250961 is 1690528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 3920400 = 2081^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 8250961 - 23 = 8250953 is a prime.

It is not a weakly prime, because it can be changed into another prime (8250911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125480 + 4125481.

It is an arithmetic number, because the mean of its divisors is an integer number (4125481).

Almost surely, 28250961 is an apocalyptic number.

It is an amenable number.

8250961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8250961 is an equidigital number, since it uses as much as digits as its factorization.

8250961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8250961 is about 2872.4486070250. The cubic root of 8250961 is about 202.0698464470.

The spelling of 8250961 in words is "eight million, two hundred fifty thousand, nine hundred sixty-one".