Search a number
-
+
65554361 is a prime number
BaseRepresentation
bin1111101000010…
…0011110111001
311120100111200022
43322010132321
5113240214421
610301020225
71424126405
oct372043671
9146314608
1065554361
1134004a64
1219b54675
1310773182
1489c6105
155b4d7ab
hex3e847b9

65554361 has 2 divisors, whose sum is σ = 65554362. Its totient is φ = 65554360.

The previous prime is 65554339. The next prime is 65554373. The reversal of 65554361 is 16345556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51566761 + 13987600 = 7181^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 65554361 - 210 = 65553337 is a prime.

It is a super-2 number, since 2×655543612 = 8594748492236642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65554561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777180 + 32777181.

It is an arithmetic number, because the mean of its divisors is an integer number (32777181).

Almost surely, 265554361 is an apocalyptic number.

It is an amenable number.

65554361 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554361 is an equidigital number, since it uses as much as digits as its factorization.

65554361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 65554361 is about 8096.5647653804. The cubic root of 65554361 is about 403.2123844858.

The spelling of 65554361 in words is "sixty-five million, five hundred fifty-four thousand, three hundred sixty-one".