64335461 has 2 divisors, whose sum is σ = 64335462. Its totient is φ = 64335460.

The previous prime is 64335457. The next prime is 64335473. The reversal of 64335461 is 16453346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 21104836 = 6575^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 64335461 - 2² = 64335457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64335421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32167730 + 32167731.

It is an arithmetic number, because the mean of its divisors is an integer number (32167731).

Almost surely, 2^64335461 is an apocalyptic number.

It is an amenable number.

64335461 is a deficient number, since it is larger than the sum of its proper divisors (1).

64335461 is an equidigital number, since it uses as much as digits as its factorization.

64335461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 64335461 is about 8020.9389101277. The cubic root of 64335461 is about 400.6976595538.

The spelling of 64335461 in words is "sixty-four million, three hundred thirty-five thousand, four hundred sixty-one".