61442203 has 2 divisors, whose sum is σ = 61442204. Its totient is φ = 61442202.

The previous prime is 61442179. The next prime is 61442209. The reversal of 61442203 is 30224416.

It is a happy number.

61442203 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 61442203 - 2²¹ = 59345051 is a prime.

It is not a weakly prime, because it can be changed into another prime (61442209) 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, 30721101 + 30721102.

It is an arithmetic number, because the mean of its divisors is an integer number (30721102).

Almost surely, 2^61442203 is an apocalyptic number.

61442203 is a deficient number, since it is larger than the sum of its proper divisors (1).

61442203 is an equidigital number, since it uses as much as digits as its factorization.

61442203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61442203 is about 7838.5077023627. The cubic root of 61442203 is about 394.5986480389.

Adding to 61442203 its reverse (30224416), we get a palindrome (91666619).

The spelling of 61442203 in words is "sixty-one million, four hundred forty-two thousand, two hundred three".