61148613 has 8 divisors (see below), whose sum is σ = 81612576. Its totient is φ = 40725200.

The previous prime is 61148611. The next prime is 61148627. The reversal of 61148613 is 31684116.

61148613 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.

It is a cyclic number.

It is not a de Polignac number, because 61148613 - 2¹ = 61148611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61148611) 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 7 ways as a sum of consecutive naturals, for example, 6423 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (10201572).

Almost surely, 2^61148613 is an apocalyptic number.

It is an amenable number.

61148613 is a deficient number, since it is larger than the sum of its proper divisors (20463963).

61148613 is a wasteful number, since it uses less digits than its factorization.

61148613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20275.

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

The square root of 61148613 is about 7819.7578607013. The cubic root of 61148613 is about 393.9691391909.

The spelling of 61148613 in words is "sixty-one million, one hundred forty-eight thousand, six hundred thirteen".