67056461 has 2 divisors, whose sum is σ = 67056462. Its totient is φ = 67056460.

The previous prime is 67056419. The next prime is 67056463. The reversal of 67056461 is 16465076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 16859236 = 7085^2 + 4106^2 .

It is a cyclic number.

It is not a de Polignac number, because 67056461 - 2¹⁸ = 66794317 is a prime.

Together with 67056463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67056463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33528230 + 33528231.

It is an arithmetic number, because the mean of its divisors is an integer number (33528231).

Almost surely, 2^67056461 is an apocalyptic number.

It is an amenable number.

67056461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67056461 is an equidigital number, since it uses as much as digits as its factorization.

67056461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 67056461 is about 8188.8009500781. The cubic root of 67056461 is about 406.2688671001.

The spelling of 67056461 in words is "sixty-seven million, fifty-six thousand, four hundred sixty-one".