67951061 has 2 divisors, whose sum is σ = 67951062. Its totient is φ = 67951060.

The previous prime is 67951043. The next prime is 67951069. The reversal of 67951061 is 16015976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 8814961 = 7690^2 + 2969^2 .

It is a cyclic number.

It is not a de Polignac number, because 67951061 - 2⁶ = 67950997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67951069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33975530 + 33975531.

It is an arithmetic number, because the mean of its divisors is an integer number (33975531).

Almost surely, 2^67951061 is an apocalyptic number.

It is an amenable number.

67951061 is a deficient number, since it is larger than the sum of its proper divisors (1).

67951061 is an equidigital number, since it uses as much as digits as its factorization.

67951061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 67951061 is about 8243.2433544085. The cubic root of 67951061 is about 408.0675689868.

The spelling of 67951061 in words is "sixty-seven million, nine hundred fifty-one thousand, sixty-one".