Search a number
-
+
551197313 is a prime number
BaseRepresentation
bin100000110110101…
…001101010000001
31102102011201120022
4200312221222001
52112101303223
6130410023225
716442046152
oct4066515201
91372151508
10551197313
11263155777
12134717b15
138a26c474
14532c1929
15335ccac8
hex20da9a81

551197313 has 2 divisors, whose sum is σ = 551197314. Its totient is φ = 551197312.

The previous prime is 551197291. The next prime is 551197319. The reversal of 551197313 is 313791155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389983504 + 161213809 = 19748^2 + 12697^2 .

It is a cyclic number.

It is not a de Polignac number, because 551197313 - 26 = 551197249 is a prime.

It is not a weakly prime, because it can be changed into another prime (551197319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275598656 + 275598657.

It is an arithmetic number, because the mean of its divisors is an integer number (275598657).

Almost surely, 2551197313 is an apocalyptic number.

It is an amenable number.

551197313 is a deficient number, since it is larger than the sum of its proper divisors (1).

551197313 is an equidigital number, since it uses as much as digits as its factorization.

551197313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14175, while the sum is 35.

The square root of 551197313 is about 23477.5917206173. The cubic root of 551197313 is about 819.9153754629.

The spelling of 551197313 in words is "five hundred fifty-one million, one hundred ninety-seven thousand, three hundred thirteen".