61425443 has 2 divisors, whose sum is σ = 61425444. Its totient is φ = 61425442.

The previous prime is 61425401. The next prime is 61425449. The reversal of 61425443 is 34452416.

61425443 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 61425443 - 2⁸ = 61425187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61425449) 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, 30712721 + 30712722.

It is an arithmetic number, because the mean of its divisors is an integer number (30712722).

Almost surely, 2^61425443 is an apocalyptic number.

61425443 is a deficient number, since it is larger than the sum of its proper divisors (1).

61425443 is an equidigital number, since it uses as much as digits as its factorization.

61425443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 61425443 is about 7837.4385484034. The cubic root of 61425443 is about 394.5627656734.

Adding to 61425443 its reverse (34452416), we get a palindrome (95877859).

The spelling of 61425443 in words is "sixty-one million, four hundred twenty-five thousand, four hundred forty-three".