61446413 has 16 divisors (see below), whose sum is σ = 72261504. Its totient is φ = 51152640.

The previous prime is 61446373. The next prime is 61446421. The reversal of 61446413 is 31464416.

61446413 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 61446413 - 2¹⁸ = 61184269 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61446013) 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 15 ways as a sum of consecutive naturals, for example, 99281 + ... + 99897.

It is an arithmetic number, because the mean of its divisors is an integer number (4516344).

Almost surely, 2^61446413 is an apocalyptic number.

It is an amenable number.

61446413 is a deficient number, since it is larger than the sum of its proper divisors (10815091).

61446413 is a wasteful number, since it uses less digits than its factorization.

61446413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its digits is 6912, while the sum is 29.

The square root of 61446413 is about 7838.7762437768. The cubic root of 61446413 is about 394.6076604239.

The spelling of 61446413 in words is "sixty-one million, four hundred forty-six thousand, four hundred thirteen".