65474161 has 2 divisors, whose sum is σ = 65474162. Its totient is φ = 65474160.

The previous prime is 65474153. The next prime is 65474177. The reversal of 65474161 is 16147456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57093136 + 8381025 = 7556^2 + 2895^2 .

It is a cyclic number.

It is not a de Polignac number, because 65474161 - 2³ = 65474153 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (65474111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32737080 + 32737081.

It is an arithmetic number, because the mean of its divisors is an integer number (32737081).

Almost surely, 2^65474161 is an apocalyptic number.

It is an amenable number.

65474161 is a deficient number, since it is larger than the sum of its proper divisors (1).

65474161 is an equidigital number, since it uses as much as digits as its factorization.

65474161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 65474161 is about 8091.6105319028. The cubic root of 65474161 is about 403.0478857444.

The spelling of 65474161 in words is "sixty-five million, four hundred seventy-four thousand, one hundred sixty-one".