Search a number
-
+
65382487 is a prime number
BaseRepresentation
bin1111100101101…
…0100001010111
311120000202220121
43321122201113
5113214214422
610253212411
71422512332
oct371324127
9146022817
1065382487
11339a7915
1219a91107
1310712b81
14897d619
155b178c7
hex3e5a857

65382487 has 2 divisors, whose sum is σ = 65382488. Its totient is φ = 65382486.

The previous prime is 65382479. The next prime is 65382497. The reversal of 65382487 is 78428356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65382487 - 23 = 65382479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65382407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32691243 + 32691244.

It is an arithmetic number, because the mean of its divisors is an integer number (32691244).

Almost surely, 265382487 is an apocalyptic number.

65382487 is a deficient number, since it is larger than the sum of its proper divisors (1).

65382487 is an equidigital number, since it uses as much as digits as its factorization.

65382487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 65382487 is about 8085.9437915434. The cubic root of 65382487 is about 402.8596879907.

It can be divided in two parts, 6538 and 2487, that added together give a square (9025 = 952).

The spelling of 65382487 in words is "sixty-five million, three hundred eighty-two thousand, four hundred eighty-seven".