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65474641 is a prime number
BaseRepresentation
bin1111100111000…
…1000001010001
311120012110022201
43321301001101
5113230142031
610255203201
71423345111
oct371610121
9146173281
1065474641
1133a60081
1219b16501
1310745abb
1489a5041
155b34d61
hex3e71051

65474641 has 2 divisors, whose sum is σ = 65474642. Its totient is φ = 65474640.

The previous prime is 65474593. The next prime is 65474653. The reversal of 65474641 is 14647456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 4322241 = 7820^2 + 2079^2 .

It is a cyclic number.

It is not a de Polignac number, because 65474641 - 223 = 57086033 is a prime.

It is a super-2 number, since 2×654746412 = 8573857228157762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65474641.

It is not a weakly prime, because it can be changed into another prime (65474041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32737320 + 32737321.

It is an arithmetic number, because the mean of its divisors is an integer number (32737321).

Almost surely, 265474641 is an apocalyptic number.

It is an amenable number.

65474641 is a deficient number, since it is larger than the sum of its proper divisors (1).

65474641 is an equidigital number, since it uses as much as digits as its factorization.

65474641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 65474641 is about 8091.6401921984. The cubic root of 65474641 is about 403.0488706750.

The spelling of 65474641 in words is "sixty-five million, four hundred seventy-four thousand, six hundred forty-one".