61420433 has 2 divisors, whose sum is σ = 61420434. Its totient is φ = 61420432.

The previous prime is 61420421. The next prime is 61420451. The reversal of 61420433 is 33402416.

It is a happy number.

61420433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47789569 + 13630864 = 6913^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 61420433 - 2⁴ = 61420417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61420399 and 61420408.

It is not a weakly prime, because it can be changed into another prime (61020433) 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, 30710216 + 30710217.

It is an arithmetic number, because the mean of its divisors is an integer number (30710217).

Almost surely, 2^61420433 is an apocalyptic number.

It is an amenable number.

61420433 is a deficient number, since it is larger than the sum of its proper divisors (1).

61420433 is an equidigital number, since it uses as much as digits as its factorization.

61420433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 61420433 is about 7837.1189221550. The cubic root of 61420433 is about 394.5520382337.

Adding to 61420433 its reverse (33402416), we get a palindrome (94822849).

The spelling of 61420433 in words is "sixty-one million, four hundred twenty thousand, four hundred thirty-three".