61308083 has 2 divisors, whose sum is σ = 61308084. Its totient is φ = 61308082.

The previous prime is 61308077. The next prime is 61308089. The reversal of 61308083 is 38080316.

It is a balanced prime because it is at equal distance from previous prime (61308077) and next prime (61308089).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61308083 is a prime.

It is a super-2 number, since 2×61308083² = 7517362082269778, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61308089) 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, 30654041 + 30654042.

It is an arithmetic number, because the mean of its divisors is an integer number (30654042).

Almost surely, 2^61308083 is an apocalyptic number.

61308083 is a deficient number, since it is larger than the sum of its proper divisors (1).

61308083 is an equidigital number, since it uses as much as digits as its factorization.

61308083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61308083 is about 7829.9478286895. The cubic root of 61308083 is about 394.3113204195.

Adding to 61308083 its reverse (38080316), we get a palindrome (99388399).

The spelling of 61308083 in words is "sixty-one million, three hundred eight thousand, eighty-three".