61482649 has 4 divisors (see below), whose sum is σ = 62046820. Its totient is φ = 60918480.

The previous prime is 61482601. The next prime is 61482653. The reversal of 61482649 is 94628416.

61482649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16257024 + 45225625 = 4032^2 + 6725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61482649 is a prime.

It is a super-2 number, since 2×61482649² = 7560232256114402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61482679) 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 3 ways as a sum of consecutive naturals, for example, 281922 + ... + 282139.

It is an arithmetic number, because the mean of its divisors is an integer number (15511705).

Almost surely, 2^61482649 is an apocalyptic number.

It is an amenable number.

61482649 is a deficient number, since it is larger than the sum of its proper divisors (564171).

61482649 is a wasteful number, since it uses less digits than its factorization.

61482649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564170.

The product of its digits is 82944, while the sum is 40.

The square root of 61482649 is about 7841.0872332860. The cubic root of 61482649 is about 394.6852141417.

The spelling of 61482649 in words is "sixty-one million, four hundred eighty-two thousand, six hundred forty-nine".