61773301 has 2 divisors, whose sum is σ = 61773302. Its totient is φ = 61773300.

The previous prime is 61773289. The next prime is 61773307. The reversal of 61773301 is 10337716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34210801 + 27562500 = 5849^2 + 5250^2 .

It is a cyclic number.

It is not a de Polignac number, because 61773301 - 2⁵ = 61773269 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61773301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61773307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30886650 + 30886651.

It is an arithmetic number, because the mean of its divisors is an integer number (30886651).

Almost surely, 2^61773301 is an apocalyptic number.

It is an amenable number.

61773301 is a deficient number, since it is larger than the sum of its proper divisors (1).

61773301 is an equidigital number, since it uses as much as digits as its factorization.

61773301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 61773301 is about 7859.5992900402. The cubic root of 61773301 is about 395.3061793143.

The spelling of 61773301 in words is "sixty-one million, seven hundred seventy-three thousand, three hundred one".