61317244 has 12 divisors (see below), whose sum is σ = 107468424. Its totient is φ = 30611984.

The previous prime is 61317203. The next prime is 61317247. The reversal of 61317244 is 44271316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61317247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (8955702).

Almost surely, 2^61317244 is an apocalyptic number.

It is an amenable number.

61317244 is a deficient number, since it is larger than the sum of its proper divisors (46151180).

61317244 is a wasteful number, since it uses less digits than its factorization.

61317244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23324 (or 23322 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 61317244 is about 7830.5328043499. The cubic root of 61317244 is about 394.3309595161.

The spelling of 61317244 in words is "sixty-one million, three hundred seventeen thousand, two hundred forty-four".