61247241 has 24 divisors (see below), whose sum is σ = 101593440. Its totient is φ = 35164800.

The previous prime is 61247239. The next prime is 61247257. The reversal of 61247241 is 14274216.

61247241 is a `hidden beast` number, since 612 + 4 + 7 + 2 + 41 = 666.

61247241 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 61247241 - 2¹ = 61247239 is a prime.

It is a super-2 number, since 2×61247241² = 7502449060224162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61247201) 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 23 ways as a sum of consecutive naturals, for example, 14400 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (4233060).

Almost surely, 2^61247241 is an apocalyptic number.

It is an amenable number.

61247241 is a deficient number, since it is larger than the sum of its proper divisors (40346199).

61247241 is a wasteful number, since it uses less digits than its factorization.

61247241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32597 (or 32594 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 61247241 is about 7826.0616532200. The cubic root of 61247241 is about 394.1808393656.

The spelling of 61247241 in words is "sixty-one million, two hundred forty-seven thousand, two hundred forty-one".