Search a number
-
+
6455261 is a prime number
BaseRepresentation
bin11000100111111111011101
3110010221221202
4120213333131
53123032021
6350205245
7105604001
oct30477735
913127852
106455261
113709a2a
1221b3825
1314502a7
14c00701
15877a0b
hex627fdd

6455261 has 2 divisors, whose sum is σ = 6455262. Its totient is φ = 6455260.

The previous prime is 6455233. The next prime is 6455263. The reversal of 6455261 is 1625546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 235225 = 2494^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455261 - 214 = 6438877 is a prime.

Together with 6455263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227630 + 3227631.

It is an arithmetic number, because the mean of its divisors is an integer number (3227631).

Almost surely, 26455261 is an apocalyptic number.

It is an amenable number.

6455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455261 is an equidigital number, since it uses as much as digits as its factorization.

6455261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 6455261 is about 2540.7205670833. The cubic root of 6455261 is about 186.1963952456.

The spelling of 6455261 in words is "six million, four hundred fifty-five thousand, two hundred sixty-one".