61248847 has 8 divisors (see below), whose sum is σ = 67466880. Its totient is φ = 55139160.

The previous prime is 61248829. The next prime is 61248853. The reversal of 61248847 is 74884216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61248847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61248827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25897 + ... + 28162.

It is an arithmetic number, because the mean of its divisors is an integer number (8433360).

Almost surely, 2^61248847 is an apocalyptic number.

61248847 is a deficient number, since it is larger than the sum of its proper divisors (6218033).

61248847 is a wasteful number, since it uses less digits than its factorization.

61248847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54173.

The product of its digits is 86016, while the sum is 40.

The square root of 61248847 is about 7826.1642584347. The cubic root of 61248847 is about 394.1842846849.

The spelling of 61248847 in words is "sixty-one million, two hundred forty-eight thousand, eight hundred forty-seven".