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65412541 is a prime number
BaseRepresentation
bin1111100110000…
…1110110111101
311120002022010201
43321201312331
5113221200131
610254003501
71422666055
oct371416675
9146068121
1065412541
1133a18457
1219aa6591
131072375c
14898a565
155b21761
hex3e61dbd

65412541 has 2 divisors, whose sum is σ = 65412542. Its totient is φ = 65412540.

The previous prime is 65412539. The next prime is 65412563. The reversal of 65412541 is 14521456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 5659641 = 7730^2 + 2379^2 .

It is a cyclic number.

It is not a de Polignac number, because 65412541 - 21 = 65412539 is a prime.

Together with 65412539, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65412521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32706270 + 32706271.

It is an arithmetic number, because the mean of its divisors is an integer number (32706271).

Almost surely, 265412541 is an apocalyptic number.

It is an amenable number.

65412541 is a deficient number, since it is larger than the sum of its proper divisors (1).

65412541 is an equidigital number, since it uses as much as digits as its factorization.

65412541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 65412541 is about 8087.8019881795. The cubic root of 65412541 is about 402.9214052841.

Adding to 65412541 its reverse (14521456), we get a palindrome (79933997).

The spelling of 65412541 in words is "sixty-five million, four hundred twelve thousand, five hundred forty-one".