61955203 has 2 divisors, whose sum is σ = 61955204. Its totient is φ = 61955202.

The previous prime is 61955171. The next prime is 61955227. The reversal of 61955203 is 30255916.

61955203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61955203 - 2⁵ = 61955171 is a prime.

It is not a weakly prime, because it can be changed into another prime (61955233) 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, 30977601 + 30977602.

It is an arithmetic number, because the mean of its divisors is an integer number (30977602).

Almost surely, 2^61955203 is an apocalyptic number.

61955203 is a deficient number, since it is larger than the sum of its proper divisors (1).

61955203 is an equidigital number, since it uses as much as digits as its factorization.

61955203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 61955203 is about 7871.1627476504. The cubic root of 61955203 is about 395.6938145220.

The spelling of 61955203 in words is "sixty-one million, nine hundred fifty-five thousand, two hundred three".