61884223 has 2 divisors, whose sum is σ = 61884224. Its totient is φ = 61884222.

The previous prime is 61884149. The next prime is 61884227. The reversal of 61884223 is 32248816.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61884223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61884227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30942111 + 30942112.

It is an arithmetic number, because the mean of its divisors is an integer number (30942112).

Almost surely, 2^61884223 is an apocalyptic number.

61884223 is a deficient number, since it is larger than the sum of its proper divisors (1).

61884223 is an equidigital number, since it uses as much as digits as its factorization.

61884223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 61884223 is about 7866.6525917953. The cubic root of 61884223 is about 395.5426457297.

The spelling of 61884223 in words is "sixty-one million, eight hundred eighty-four thousand, two hundred twenty-three".