Search a number
-
+
1079792257 is a prime number
BaseRepresentation
bin100000001011100…
…0101001010000001
32210020211010111211
41000113011022001
54202411323012
6255051410121
735521040245
oct10027051201
92706733454
101079792257
115045729a5
12261753941
13142926b3b
14a359c425
1564be36a7
hex405c5281

1079792257 has 2 divisors, whose sum is σ = 1079792258. Its totient is φ = 1079792256.

The previous prime is 1079792209. The next prime is 1079792269. The reversal of 1079792257 is 7522979701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557715456 + 522076801 = 23616^2 + 22849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079792257 - 211 = 1079790209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1079792257.

It is not a weakly prime, because it can be changed into another prime (1079792557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539896128 + 539896129.

It is an arithmetic number, because the mean of its divisors is an integer number (539896129).

Almost surely, 21079792257 is an apocalyptic number.

It is an amenable number.

1079792257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079792257 is an equidigital number, since it uses as much as digits as its factorization.

1079792257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 49.

The square root of 1079792257 is about 32860.1925892104. The cubic root of 1079792257 is about 1025.9197794296.

The spelling of 1079792257 in words is "one billion, seventy-nine million, seven hundred ninety-two thousand, two hundred fifty-seven".