61903433 has 2 divisors, whose sum is σ = 61903434. Its totient is φ = 61903432.

The previous prime is 61903427. The next prime is 61903451. The reversal of 61903433 is 33430916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58323769 + 3579664 = 7637^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 61903433 - 2¹⁰ = 61902409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61903396 and 61903405.

It is not a weakly prime, because it can be changed into another prime (61903403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30951716 + 30951717.

It is an arithmetic number, because the mean of its divisors is an integer number (30951717).

Almost surely, 2^61903433 is an apocalyptic number.

It is an amenable number.

61903433 is a deficient number, since it is larger than the sum of its proper divisors (1).

61903433 is an equidigital number, since it uses as much as digits as its factorization.

61903433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 61903433 is about 7867.8734738174. The cubic root of 61903433 is about 395.5835693974.

The spelling of 61903433 in words is "sixty-one million, nine hundred three thousand, four hundred thirty-three".