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65249741 is a prime number
BaseRepresentation
bin1111100011101…
…0000111001101
311112210000211002
43320322013031
5113200442431
610250310045
71421420324
oct370720715
9145700732
1065249741
1133917107
1219a28325
131069761b
1489470bb
155add3cb
hex3e3a1cd

65249741 has 2 divisors, whose sum is σ = 65249742. Its totient is φ = 65249740.

The previous prime is 65249651. The next prime is 65249747. The reversal of 65249741 is 14794256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 3076516 = 7885^2 + 1754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65249741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65249695 and 65249704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65249747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32624870 + 32624871.

It is an arithmetic number, because the mean of its divisors is an integer number (32624871).

Almost surely, 265249741 is an apocalyptic number.

It is an amenable number.

65249741 is a deficient number, since it is larger than the sum of its proper divisors (1).

65249741 is an equidigital number, since it uses as much as digits as its factorization.

65249741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 65249741 is about 8077.7311789883. The cubic root of 65249741 is about 402.5868613894.

The spelling of 65249741 in words is "sixty-five million, two hundred forty-nine thousand, seven hundred forty-one".