61669301 has 2 divisors, whose sum is σ = 61669302. Its totient is φ = 61669300.

The previous prime is 61669277. The next prime is 61669313. The reversal of 61669301 is 10396616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61606801 + 62500 = 7849^2 + 250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61669301 is a prime.

It is a Chen prime.

It is equal to p_3655175 and since 61669301 and 3655175 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61669001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30834650 + 30834651.

It is an arithmetic number, because the mean of its divisors is an integer number (30834651).

Almost surely, 2^61669301 is an apocalyptic number.

It is an amenable number.

61669301 is a deficient number, since it is larger than the sum of its proper divisors (1).

61669301 is an equidigital number, since it uses as much as digits as its factorization.

61669301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 61669301 is about 7852.9803896355. The cubic root of 61669301 is about 395.0842121364.

The spelling of 61669301 in words is "sixty-one million, six hundred sixty-nine thousand, three hundred one".