61147417 has 4 divisors (see below), whose sum is σ = 61163316. Its totient is φ = 61131520.

The previous prime is 61147379. The next prime is 61147439. The reversal of 61147417 is 71474116.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32535616 + 28611801 = 5704^2 + 5349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61147417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61147447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (15290829).

Almost surely, 2^61147417 is an apocalyptic number.

It is an amenable number.

61147417 is a deficient number, since it is larger than the sum of its proper divisors (15899).

61147417 is an equidigital number, since it uses as much as digits as its factorization.

61147417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898.

The product of its digits is 4704, while the sum is 31.

The square root of 61147417 is about 7819.6813873712. The cubic root of 61147417 is about 393.9665706390.

It can be divided in two parts, 6114 and 7417, that added together give a palindrome (13531).

The spelling of 61147417 in words is "sixty-one million, one hundred forty-seven thousand, four hundred seventeen".