61450449 has 16 divisors (see below), whose sum is σ = 84976320. Its totient is φ = 39453120.

The previous prime is 61450409. The next prime is 61450523. The reversal of 61450449 is 94405416.

61450449 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 61450449 - 2⁷ = 61450321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61450409) 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, 49059 + ... + 50295.

It is an arithmetic number, because the mean of its divisors is an integer number (5311020).

Almost surely, 2^61450449 is an apocalyptic number.

It is an amenable number.

61450449 is a deficient number, since it is larger than the sum of its proper divisors (23525871).

61450449 is a wasteful number, since it uses less digits than its factorization.

61450449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 61450449 is about 7839.0336776927. The cubic root of 61450449 is about 394.6162999391.

The spelling of 61450449 in words is "sixty-one million, four hundred fifty thousand, four hundred forty-nine".