61326203 has 2 divisors, whose sum is σ = 61326204. Its totient is φ = 61326202.

The previous prime is 61326197. The next prime is 61326229. The reversal of 61326203 is 30262316.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61326203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61326233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30663101 + 30663102.

It is an arithmetic number, because the mean of its divisors is an integer number (30663102).

Almost surely, 2^61326203 is an apocalyptic number.

61326203 is a deficient number, since it is larger than the sum of its proper divisors (1).

61326203 is an equidigital number, since it uses as much as digits as its factorization.

61326203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 61326203 is about 7831.1048390377. The cubic root of 61326203 is about 394.3501636790.

Adding to 61326203 its reverse (30262316), we get a palindrome (91588519).

The spelling of 61326203 in words is "sixty-one million, three hundred twenty-six thousand, two hundred three".