61990283 has 2 divisors, whose sum is σ = 61990284. Its totient is φ = 61990282.

The previous prime is 61990277. The next prime is 61990309. The reversal of 61990283 is 38209916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61990283 - 2²² = 57795979 is a prime.

It is not a weakly prime, because it can be changed into another prime (61990183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30995141 + 30995142.

It is an arithmetic number, because the mean of its divisors is an integer number (30995142).

Almost surely, 2^61990283 is an apocalyptic number.

61990283 is a deficient number, since it is larger than the sum of its proper divisors (1).

61990283 is an equidigital number, since it uses as much as digits as its factorization.

61990283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 61990283 is about 7873.3908197168. The cubic root of 61990283 is about 395.7684830959.

The spelling of 61990283 in words is "sixty-one million, nine hundred ninety thousand, two hundred eighty-three".