65546461 has 2 divisors, whose sum is σ = 65546462. Its totient is φ = 65546460.

The previous prime is 65546443. The next prime is 65546473. The reversal of 65546461 is 16464556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 2343961 = 7950^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 65546461 - 2¹³ = 65538269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65546461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65541461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32773230 + 32773231.

It is an arithmetic number, because the mean of its divisors is an integer number (32773231).

Almost surely, 2^65546461 is an apocalyptic number.

It is an amenable number.

65546461 is a deficient number, since it is larger than the sum of its proper divisors (1).

65546461 is an equidigital number, since it uses as much as digits as its factorization.

65546461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 65546461 is about 8096.0768894570. The cubic root of 65546461 is about 403.1961867035.

The spelling of 65546461 in words is "sixty-five million, five hundred forty-six thousand, four hundred sixty-one".