61383049 has 16 divisors (see below), whose sum is σ = 75738880. Its totient is φ = 48444480.

The previous prime is 61383043. The next prime is 61383089. The reversal of 61383049 is 94038316.

It is not a de Polignac number, because 61383049 - 2³ = 61383041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61383041) 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 in 15 ways as a sum of consecutive naturals, for example, 56887 + ... + 57955.

It is an arithmetic number, because the mean of its divisors is an integer number (4733680).

Almost surely, 2^61383049 is an apocalyptic number.

It is an amenable number.

61383049 is a deficient number, since it is larger than the sum of its proper divisors (14355831).

61383049 is a wasteful number, since it uses less digits than its factorization.

61383049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61383049 is about 7834.7334989775. The cubic root of 61383049 is about 394.4719729838.

The spelling of 61383049 in words is "sixty-one million, three hundred eighty-three thousand, forty-nine".