61359947 has 12 divisors (see below), whose sum is σ = 67845960. Its totient is φ = 55450560.

The previous prime is 61359937. The next prime is 61359959. The reversal of 61359947 is 74995316.

61359947 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 61359947 - 2¹⁴ = 61343563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61359898 and 61359907.

It is not an unprimeable number, because it can be changed into a prime (61359937) 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 11 ways as a sum of consecutive naturals, for example, 20243 + ... + 23075.

It is an arithmetic number, because the mean of its divisors is an integer number (5653830).

Almost surely, 2^61359947 is an apocalyptic number.

61359947 is a deficient number, since it is larger than the sum of its proper divisors (6486013).

61359947 is a wasteful number, since it uses less digits than its factorization.

61359947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034 (or 3023 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 61359947 is about 7833.2590280164. The cubic root of 61359947 is about 394.4224792165.

The spelling of 61359947 in words is "sixty-one million, three hundred fifty-nine thousand, nine hundred forty-seven".