61260618 has 8 divisors (see below), whose sum is σ = 122521248. Its totient is φ = 20420204.

The previous prime is 61260611. The next prime is 61260623. The reversal of 61260618 is 81606216.

61260618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61260618 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61260611) 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, 5105046 + ... + 5105057.

It is an arithmetic number, because the mean of its divisors is an integer number (15315156).

Almost surely, 2^61260618 is an apocalyptic number.

61260618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61260618 is a wasteful number, since it uses less digits than its factorization.

61260618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210108.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 61260618 is about 7826.9162509893. The cubic root of 61260618 is about 394.2095349344.

The spelling of 61260618 in words is "sixty-one million, two hundred sixty thousand, six hundred eighteen".