61019049 has 32 divisors (see below), whose sum is σ = 101170944. Its totient is φ = 31852800.

The previous prime is 61019009. The next prime is 61019071. The reversal of 61019049 is 94091016.

61019049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61019049 - 2¹³ = 61010857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61019009) 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 in 31 ways as a sum of consecutive naturals, for example, 26467 + ... + 28679.

It is an arithmetic number, because the mean of its divisors is an integer number (3161592).

Almost surely, 2^61019049 is an apocalyptic number.

It is an amenable number.

61019049 is a deficient number, since it is larger than the sum of its proper divisors (40151895).

61019049 is a wasteful number, since it uses less digits than its factorization.

61019049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 61019049 is about 7811.4690679795. The cubic root of 61019049 is about 393.6906901849.

The spelling of 61019049 in words is "sixty-one million, nineteen thousand, forty-nine".