61311417 has 8 divisors (see below), whose sum is σ = 81806880. Its totient is φ = 40845120.

The previous prime is 61311403. The next prime is 61311451. The reversal of 61311417 is 71411316.

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

It is not a de Polignac number, because 61311417 - 2¹⁶ = 61245881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61311517) 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, 1792 + ... + 11217.

It is an arithmetic number, because the mean of its divisors is an integer number (10225860).

Almost surely, 2^61311417 is an apocalyptic number.

It is an amenable number.

61311417 is a deficient number, since it is larger than the sum of its proper divisors (20495463).

61311417 is a wasteful number, since it uses less digits than its factorization.

61311417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583.

The product of its digits is 504, while the sum is 24.

The square root of 61311417 is about 7830.1607263197. The cubic root of 61311417 is about 394.3184679822.

The spelling of 61311417 in words is "sixty-one million, three hundred eleven thousand, four hundred seventeen".