Search a number
-
+
65266969 is a prime number
BaseRepresentation
bin1111100011111…
…0010100011001
311112210220110011
43320332110121
5113202020334
610250521521
71421521465
oct370762431
9145726404
1065266969
1133929049
1219a362a1
13106a2411
14894d4a5
155ae3564
hex3e3e519

65266969 has 2 divisors, whose sum is σ = 65266970. Its totient is φ = 65266968.

The previous prime is 65266933. The next prime is 65266987. The reversal of 65266969 is 96966256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 15705369 = 7040^2 + 3963^2 .

It is a cyclic number.

It is not a de Polignac number, because 65266969 - 27 = 65266841 is a prime.

It is a super-2 number, since 2×652669692 = 8519554484893922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65266909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32633484 + 32633485.

It is an arithmetic number, because the mean of its divisors is an integer number (32633485).

Almost surely, 265266969 is an apocalyptic number.

It is an amenable number.

65266969 is a deficient number, since it is larger than the sum of its proper divisors (1).

65266969 is an equidigital number, since it uses as much as digits as its factorization.

65266969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 65266969 is about 8078.7974971527. The cubic root of 65266969 is about 402.6222901691.

The spelling of 65266969 in words is "sixty-five million, two hundred sixty-six thousand, nine hundred sixty-nine".