61383499 has 2 divisors, whose sum is σ = 61383500. Its totient is φ = 61383498.

The previous prime is 61383493. The next prime is 61383529. The reversal of 61383499 is 99438316.

61383499 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 is a cyclic number.

It is not a de Polignac number, because 61383499 - 2⁵ = 61383467 is a prime.

It is not a weakly prime, because it can be changed into another prime (61383493) 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, 30691749 + 30691750.

It is an arithmetic number, because the mean of its divisors is an integer number (30691750).

Almost surely, 2^61383499 is an apocalyptic number.

61383499 is a deficient number, since it is larger than the sum of its proper divisors (1).

61383499 is an equidigital number, since it uses as much as digits as its factorization.

61383499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 61383499 is about 7834.7622171959. The cubic root of 61383499 is about 394.4729369413.

The spelling of 61383499 in words is "sixty-one million, three hundred eighty-three thousand, four hundred ninety-nine".