Search a number
-
+
254597897 is a prime number
BaseRepresentation
bin11110010110011…
…01101100001001
3122202001220122202
433023031230021
51010134113042
641132525545
76211021631
oct1713155411
9582056582
10254597897
11120794194
12713208b5
1340992458
1425b556c1
1517541632
hexf2cdb09

254597897 has 2 divisors, whose sum is σ = 254597898. Its totient is φ = 254597896.

The previous prime is 254597887. The next prime is 254597909. The reversal of 254597897 is 798795452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155475961 + 99121936 = 12469^2 + 9956^2 .

It is a cyclic number.

It is not a de Polignac number, because 254597897 - 24 = 254597881 is a prime.

It is not a weakly prime, because it can be changed into another prime (254597807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127298948 + 127298949.

It is an arithmetic number, because the mean of its divisors is an integer number (127298949).

Almost surely, 2254597897 is an apocalyptic number.

It is an amenable number.

254597897 is a deficient number, since it is larger than the sum of its proper divisors (1).

254597897 is an equidigital number, since it uses as much as digits as its factorization.

254597897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 56.

The square root of 254597897 is about 15956.1241221043. The cubic root of 254597897 is about 633.7990793570.

The spelling of 254597897 in words is "two hundred fifty-four million, five hundred ninety-seven thousand, eight hundred ninety-seven".