Search a number
-
+
1075488961 is a prime number
BaseRepresentation
bin100000000011010…
…1010100011000001
32202221201111111111
41000012222203001
54200311121321
6254415243321
735436335221
oct10006524301
92687644444
101075488961
115020a3858
12260219541
13141a7b201
14a2b9c081
15646435e1
hex401aa8c1

1075488961 has 2 divisors, whose sum is σ = 1075488962. Its totient is φ = 1075488960.

The previous prime is 1075488941. The next prime is 1075488989. The reversal of 1075488961 is 1698845701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781537936 + 293951025 = 27956^2 + 17145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075488961 - 219 = 1074964673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075488941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537744480 + 537744481.

It is an arithmetic number, because the mean of its divisors is an integer number (537744481).

Almost surely, 21075488961 is an apocalyptic number.

It is an amenable number.

1075488961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075488961 is an equidigital number, since it uses as much as digits as its factorization.

1075488961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 1075488961 is about 32794.6483591454. The cubic root of 1075488961 is about 1024.5550989274. Note that the first 3 decimals are identical.

The spelling of 1075488961 in words is "one billion, seventy-five million, four hundred eighty-eight thousand, nine hundred sixty-one".